1072285856 has 24 divisors (see below), whose sum is σ = 2112342624. Its totient is φ = 535817920.

The previous prime is 1072285849. The next prime is 1072285873. The reversal of 1072285856 is 6585822701.

It is a super-2 number, since 2×1072285856² = 2299593913955305472, 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, 48701 + ... + 67203.

It is an arithmetic number, because the mean of its divisors is an integer number (88014276).

Almost surely, 2^1072285856 is an apocalyptic number.

1072285856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1072285856 is a deficient number, since it is larger than the sum of its proper divisors (1040056768).

1072285856 is a wasteful number, since it uses less digits than its factorization.

1072285856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20324 (or 20316 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 44.

The square root of 1072285856 is about 32745.7761551013. The cubic root of 1072285856 is about 1023.5369508800.

The spelling of 1072285856 in words is "one billion, seventy-two million, two hundred eighty-five thousand, eight hundred fifty-six".