1298349360 has 360 divisors, whose sum is σ = 5479961760. Its totient is φ = 269660160.

The previous prime is 1298349359. The next prime is 1298349361. The reversal of 1298349360 is 639438921.

It is a happy number.

1298349360 is a `hidden beast` number, since 1 + 29 + 83 + 493 + 60 = 666.

It is an interprime number because it is at equal distance from previous prime (1298349359) and next prime (1298349361).

It is a tau number, because it is divible by the number of its divisors (360).

It is a super-2 number, since 2×1298349360² = 3371422121224819200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1298349361) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 608776 + ... + 610904.

It is an arithmetic number, because the mean of its divisors is an integer number (15222116).

Almost surely, 2^1298349360 is an apocalyptic number.

1298349360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1298349360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2739980880).

1298349360 is an abundant number, since it is smaller than the sum of its proper divisors (4181612400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1298349360 is a wasteful number, since it uses less digits than its factorization.

1298349360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2177 (or 2157 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 1298349360 is about 36032.6152256535. The cubic root of 1298349360 is about 1090.9307651754.

The spelling of 1298349360 in words is "one billion, two hundred ninety-eight million, three hundred forty-nine thousand, three hundred sixty".