124427681 has 16 divisors (see below), whose sum is σ = 146492544. Its totient is φ = 103469184.

The previous prime is 124427671. The next prime is 124427683. The reversal of 124427681 is 186724421.

It is not a de Polignac number, because 124427681 - 2¹⁸ = 124165537 is a prime.

It is a super-2 number, since 2×124427681² = 30964495598075522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124427683) 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, 45941 + ... + 48573.

It is an arithmetic number, because the mean of its divisors is an integer number (9155784).

Almost surely, 2^124427681 is an apocalyptic number.

It is an amenable number.

124427681 is a deficient number, since it is larger than the sum of its proper divisors (22064863).

124427681 is a wasteful number, since it uses less digits than its factorization.

124427681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2840.

The product of its digits is 21504, while the sum is 35.

The square root of 124427681 is about 11154.7156395849. The cubic root of 124427681 is about 499.2357404098.

The spelling of 124427681 in words is "one hundred twenty-four million, four hundred twenty-seven thousand, six hundred eighty-one".