10191972 has 24 divisors (see below), whose sum is σ = 27178816. Its totient is φ = 2911968.

The previous prime is 10191943. The next prime is 10191977. The reversal of 10191972 is 27919101.

It is not an unprimeable number, because it can be changed into a prime (10191977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60583 + ... + 60750.

Almost surely, 2^10191972 is an apocalyptic number.

10191972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10191972 is an abundant number, since it is smaller than the sum of its proper divisors (16986844).

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

10191972 is a wasteful number, since it uses less digits than its factorization.

10191972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121347 (or 121345 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 30.

The square root of 10191972 is about 3192.4868049845. The cubic root of 10191972 is about 216.8133770335.

The spelling of 10191972 in words is "ten million, one hundred ninety-one thousand, nine hundred seventy-two".