111943197 has 12 divisors (see below), whose sum is σ = 162270784. Its totient is φ = 74363400.

The previous prime is 111943187. The next prime is 111943211. The reversal of 111943197 is 791349111.

It is not a de Polignac number, because 111943197 - 2⁶ = 111943133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111943127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19429 + ... + 24522.

Almost surely, 2^111943197 is an apocalyptic number.

It is an amenable number.

111943197 is a deficient number, since it is larger than the sum of its proper divisors (50327587).

111943197 is a wasteful number, since it uses less digits than its factorization.

111943197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44240 (or 44237 counting only the distinct ones).

The product of its digits is 6804, while the sum is 36.

The square root of 111943197 is about 10580.3212144055. The cubic root of 111943197 is about 481.9469489886.

The spelling of 111943197 in words is "one hundred eleven million, nine hundred forty-three thousand, one hundred ninety-seven".