42101188 has 12 divisors (see below), whose sum is σ = 77554960. Its totient is φ = 19942632.

The previous prime is 42101177. The next prime is 42101203. The reversal of 42101188 is 88110124.

It is a super-2 number, since 2×42101188² = 3545020062022688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276906 + ... + 277057.

Almost surely, 2^42101188 is an apocalyptic number.

It is an amenable number.

42101188 is a deficient number, since it is larger than the sum of its proper divisors (35453772).

42101188 is a wasteful number, since it uses less digits than its factorization.

42101188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553986 (or 553984 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 25.

The square root of 42101188 is about 6488.5428256273. The cubic root of 42101188 is about 347.8815931337.

The spelling of 42101188 in words is "forty-two million, one hundred one thousand, one hundred eighty-eight".