1245952456 has 16 divisors (see below), whose sum is σ = 2669898240. Its totient is φ = 533979600.

The previous prime is 1245952399. The next prime is 1245952483. The reversal of 1245952456 is 6542595421.

It is a super-2 number, since 2×1245952456² = 3104795045224863872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11124520 + ... + 11124631.

It is an arithmetic number, because the mean of its divisors is an integer number (166868640).

Almost surely, 2^1245952456 is an apocalyptic number.

It is an amenable number.

1245952456 is an abundant number, since it is smaller than the sum of its proper divisors (1423945784).

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

1245952456 is a wasteful number, since it uses less digits than its factorization.

1245952456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22249164 (or 22249160 counting only the distinct ones).

The product of its digits is 432000, while the sum is 43.

The square root of 1245952456 is about 35298.0517309384. The cubic root of 1245952456 is about 1076.0533985836.

The spelling of 1245952456 in words is "one billion, two hundred forty-five million, nine hundred fifty-two thousand, four hundred fifty-six".