111007972 has 6 divisors (see below), whose sum is σ = 194263958. Its totient is φ = 55503984.

The previous prime is 111007921. The next prime is 111007987. The reversal of 111007972 is 279700111.

It can be written as a sum of positive squares in only one way, i.e., 111007296 + 676 = 10536^2 + 26^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 111007972.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13875993 + ... + 13876000.

Almost surely, 2^111007972 is an apocalyptic number.

It is an amenable number.

111007972 is a deficient number, since it is larger than the sum of its proper divisors (83255986).

111007972 is a wasteful number, since it uses less digits than its factorization.

111007972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27751997 (or 27751995 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 28.

The square root of 111007972 is about 10536.0320804371. The cubic root of 111007972 is about 480.6010583802.

The spelling of 111007972 in words is "one hundred eleven million, seven thousand, nine hundred seventy-two".