124027971381 has 12 divisors (see below), whose sum is σ = 179456720352. Its totient is φ = 82544449896.

The previous prime is 124027971377. The next prime is 124027971461. The reversal of 124027971381 is 183179720421.

124027971381 is a `hidden beast` number, since 1 + 240 + 27 + 9 + 7 + 1 + 381 = 666.

It is not a de Polignac number, because 124027971381 - 2² = 124027971377 is a prime.

It is a super-2 number, since 2×124027971381² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124027971341) 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, 11733121 + ... + 11743686.

It is an arithmetic number, because the mean of its divisors is an integer number (14954726696).

Almost surely, 2^124027971381 is an apocalyptic number.

It is an amenable number.

124027971381 is a deficient number, since it is larger than the sum of its proper divisors (55428748971).

124027971381 is a wasteful number, since it uses less digits than its factorization.

124027971381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23477400 (or 23477397 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The spelling of 124027971381 in words is "one hundred twenty-four billion, twenty-seven million, nine hundred seventy-one thousand, three hundred eighty-one".