124620855742 has 16 divisors (see below), whose sum is σ = 188013940560. Its totient is φ = 61949684608.

The previous prime is 124620855677. The next prime is 124620855757. The reversal of 124620855742 is 247558026421.

It is a junction number, because it is equal to n+sod(n) for n = 124620855692 and 124620855701.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1863468 + ... + 1929184.

It is an arithmetic number, because the mean of its divisors is an integer number (11750871285).

Almost surely, 2^124620855742 is an apocalyptic number.

124620855742 is a deficient number, since it is larger than the sum of its proper divisors (63393084818).

124620855742 is a wasteful number, since it uses less digits than its factorization.

124620855742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71195.

The product of its (nonzero) digits is 1075200, while the sum is 46.

The spelling of 124620855742 in words is "one hundred twenty-four billion, six hundred twenty million, eight hundred fifty-five thousand, seven hundred forty-two".