1298260224 has 180 divisors, whose sum is σ = 3907966524. Its totient is φ = 428654592.

The previous prime is 1298260219. The next prime is 1298260259. The reversal of 1298260224 is 4220628921.

1298260224 is a `hidden beast` number, since 1 + 29 + 8 + 2 + 602 + 24 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 958521600 + 339738624 = 30960^2 + 18432^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2840604 + ... + 2841060.

Almost surely, 2^1298260224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1298260224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1953983262).

1298260224 is an abundant number, since it is smaller than the sum of its proper divisors (2609706300).

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

1298260224 is an equidigital number, since it uses as much as digits as its factorization.

1298260224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622 (or 599 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 1298260224 is about 36031.3783250100. The cubic root of 1298260224 is about 1090.9057992628.

The spelling of 1298260224 in words is "one billion, two hundred ninety-eight million, two hundred sixty thousand, two hundred twenty-four".