1260499872 has 48 divisors (see below), whose sum is σ = 3311032032. Its totient is φ = 419884800.

The previous prime is 1260499841. The next prime is 1260499927. The reversal of 1260499872 is 2789940621.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

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 7 ways as a sum of consecutive naturals, for example, 179043 + ... + 185949.

It is an arithmetic number, because the mean of its divisors is an integer number (68979834).

Almost surely, 2^1260499872 is an apocalyptic number.

1260499872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1260499872 is an abundant number, since it is smaller than the sum of its proper divisors (2050532160).

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

1260499872 is a wasteful number, since it uses less digits than its factorization.

1260499872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8821 (or 8813 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 1260499872 is about 35503.5191495153. The cubic root of 1260499872 is about 1080.2251108259.

The spelling of 1260499872 in words is "one billion, two hundred sixty million, four hundred ninety-nine thousand, eight hundred seventy-two".