101000000972 has 24 divisors (see below), whose sum is σ = 195490650096. Its totient is φ = 45355508928.

The previous prime is 101000000971. The next prime is 101000001031. The reversal of 101000000972 is 279000000101.

It is not an unprimeable number, because it can be changed into a prime (101000000971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26245478 + ... + 26249325.

It is an arithmetic number, because the mean of its divisors is an integer number (8145443754).

Almost surely, 2^101000000972 is an apocalyptic number.

It is an amenable number.

101000000972 is a deficient number, since it is larger than the sum of its proper divisors (94490649124).

101000000972 is a wasteful number, since it uses less digits than its factorization.

101000000972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52494857 (or 52494855 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 20.

The spelling of 101000000972 in words is "one hundred one billion, nine hundred seventy-two", and thus it is an aban number.