1260129612 has 48 divisors (see below), whose sum is σ = 3506452992. Its totient is φ = 344382720.

The previous prime is 1260129601. The next prime is 1260129623. The reversal of 1260129612 is 2169210621.

It is an interprime number because it is at equal distance from previous prime (1260129601) and next prime (1260129623).

It is a self number, because there is not a number n which added to its sum of digits gives 1260129612.

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 15 ways as a sum of consecutive naturals, for example, 324189 + ... + 328052.

It is an arithmetic number, because the mean of its divisors is an integer number (73051104).

Almost surely, 2^1260129612 is an apocalyptic number.

1260129612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1260129612 is an abundant number, since it is smaller than the sum of its proper divisors (2246323380).

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

1260129612 is a wasteful number, since it uses less digits than its factorization.

1260129612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652278 (or 652276 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 1260129612 is about 35498.3043538702. The cubic root of 1260129612 is about 1080.1193318074.

The spelling of 1260129612 in words is "one billion, two hundred sixty million, one hundred twenty-nine thousand, six hundred twelve".