1072061900 has 72 divisors (see below), whose sum is σ = 2863254240. Its totient is φ = 339287040.

The previous prime is 1072061863. The next prime is 1072061923. The reversal of 1072061900 is 91602701.

It is a super-2 number, since 2×1072061900² = 2298633434863220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 1072061900.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49805 + ... + 68004.

It is an arithmetic number, because the mean of its divisors is an integer number (39767420).

Almost surely, 2^1072061900 is an apocalyptic number.

1072061900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1072061900 is an abundant number, since it is smaller than the sum of its proper divisors (1791192340).

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

1072061900 is a wasteful number, since it uses less digits than its factorization.

1072061900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117843 (or 117836 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 1072061900 is about 32742.3563599201. The cubic root of 1072061900 is about 1023.4656877927.

The spelling of 1072061900 in words is "one billion, seventy-two million, sixty-one thousand, nine hundred".