1072001892 has 24 divisors (see below), whose sum is σ = 2693748736. Its totient is φ = 329846688.

The previous prime is 1072001881. The next prime is 1072001923. The reversal of 1072001892 is 2981002701.

It is a super-2 number, since 2×1072001892² = 2298376112903159328, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3435748 + ... + 3436059.

Almost surely, 2^1072001892 is an apocalyptic number.

1072001892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1072001892 is an abundant number, since it is smaller than the sum of its proper divisors (1621746844).

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

1072001892 is a wasteful number, since it uses less digits than its factorization.

1072001892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6871827 (or 6871825 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 1072001892 is about 32741.4399805506. The cubic root of 1072001892 is about 1023.4465914840.

The spelling of 1072001892 in words is "one billion, seventy-two million, one thousand, eight hundred ninety-two".