1246985632 has 24 divisors (see below), whose sum is σ = 2599416036. Its totient is φ = 586816512.

The previous prime is 1246985617. The next prime is 1246985651. The reversal of 1246985632 is 2365896421.

It can be written as a sum of positive squares in 2 ways, for example, as 1180334736 + 66650896 = 34356^2 + 8164^2 .

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, 1145583 + ... + 1146670.

Almost surely, 2^1246985632 is an apocalyptic number.

It is an amenable number.

1246985632 is an abundant number, since it is smaller than the sum of its proper divisors (1352430404).

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

1246985632 is a wasteful number, since it uses less digits than its factorization.

1246985632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2292280 (or 2292272 counting only the distinct ones).

The product of its digits is 622080, while the sum is 46.

The square root of 1246985632 is about 35312.6837269557. The cubic root of 1246985632 is about 1076.3507468450.

The spelling of 1246985632 in words is "one billion, two hundred forty-six million, nine hundred eighty-five thousand, six hundred thirty-two".