1285324932 has 12 divisors (see below), whose sum is σ = 2999091536. Its totient is φ = 428441640.

The previous prime is 1285324919. The next prime is 1285324951. The reversal of 1285324932 is 2394235821.

It is a tau number, because it is divible by the number of its divisors (12).

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, 53555194 + ... + 53555217.

Almost surely, 2^1285324932 is an apocalyptic number.

1285324932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1285324932 is an abundant number, since it is smaller than the sum of its proper divisors (1713766604).

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

1285324932 is a wasteful number, since it uses less digits than its factorization.

1285324932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107110418 (or 107110416 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 1285324932 is about 35851.4285907828. The cubic root of 1285324932 is about 1087.2705978800.

The spelling of 1285324932 in words is "one billion, two hundred eighty-five million, three hundred twenty-four thousand, nine hundred thirty-two".