1285113624 has 32 divisors (see below), whose sum is σ = 3221560320. Its totient is φ = 427201056.

The previous prime is 1285113611. The next prime is 1285113647. The reversal of 1285113624 is 4263115821.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 64144 + ... + 81759.

It is an arithmetic number, because the mean of its divisors is an integer number (100673760).

Almost surely, 2^1285113624 is an apocalyptic number.

It is an amenable number.

1285113624 is an abundant number, since it is smaller than the sum of its proper divisors (1936446696).

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

1285113624 is a wasteful number, since it uses less digits than its factorization.

1285113624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146279 (or 146275 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 1285113624 is about 35848.4814741155. The cubic root of 1285113624 is about 1087.2110120219.

The spelling of 1285113624 in words is "one billion, two hundred eighty-five million, one hundred thirteen thousand, six hundred twenty-four".