1268946252 has 72 divisors (see below), whose sum is σ = 3669120000. Its totient is φ = 362232288.

The previous prime is 1268946241. The next prime is 1268946307. The reversal of 1268946252 is 2526498621.

1268946252 is a `hidden beast` number, since 12 + 6 + 8 + 9 + 4 + 625 + 2 = 666.

It is a super-2 number, since 2×1268946252² = 3220449180929695008, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1268946198 and 1268946207.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 527749 + ... + 530147.

It is an arithmetic number, because the mean of its divisors is an integer number (50960000).

Almost surely, 2^1268946252 is an apocalyptic number.

1268946252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1268946252 is an abundant number, since it is smaller than the sum of its proper divisors (2400173748).

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

1268946252 is a wasteful number, since it uses less digits than its factorization.

1268946252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4515 (or 4510 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 1268946252 is about 35622.2718534346. The cubic root of 1268946252 is about 1082.6325387837.

The spelling of 1268946252 in words is "one billion, two hundred sixty-eight million, nine hundred forty-six thousand, two hundred fifty-two".