124693881 has 16 divisors (see below), whose sum is σ = 185223360. Its totient is φ = 74088000.

The previous prime is 124693871. The next prime is 124693889. The reversal of 124693881 is 188396421.

It is not a de Polignac number, because 124693881 - 2⁷ = 124693753 is a prime.

It is a super-2 number, since 2×124693881² = 31097127917684322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (124693889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53995 + ... + 56256.

It is an arithmetic number, because the mean of its divisors is an integer number (11576460).

Almost surely, 2^124693881 is an apocalyptic number.

It is an amenable number.

124693881 is a deficient number, since it is larger than the sum of its proper divisors (60529479).

124693881 is a wasteful number, since it uses less digits than its factorization.

124693881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110296.

The product of its digits is 82944, while the sum is 42.

The square root of 124693881 is about 11166.6414377824. The cubic root of 124693881 is about 499.5915076923.

The spelling of 124693881 in words is "one hundred twenty-four million, six hundred ninety-three thousand, eight hundred eighty-one".