1299269160 has 160 divisors (see below), whose sum is σ = 4990930560. Its totient is φ = 296970624.

The previous prime is 1299269143. The next prime is 1299269201. The reversal of 1299269160 is 619629921.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5964 + ... + 51323.

It is an arithmetic number, because the mean of its divisors is an integer number (31193316).

Almost surely, 2^1299269160 is an apocalyptic number.

1299269160 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 1299269160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2495465280).

1299269160 is an abundant number, since it is smaller than the sum of its proper divisors (3691661400).

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

1299269160 is a wasteful number, since it uses less digits than its factorization.

1299269160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57317 (or 57304 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 1299269160 is about 36045.3764025291. The cubic root of 1299269160 is about 1091.1883232935.

The spelling of 1299269160 in words is "one billion, two hundred ninety-nine million, two hundred sixty-nine thousand, one hundred sixty".