124166640426 has 32 divisors (see below), whose sum is σ = 251001592128. Its totient is φ = 40944529920.

The previous prime is 124166640421. The next prime is 124166640473. The reversal of 124166640426 is 624046661421.

It is a super-2 number, since 2×124166640426² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (124166640421) 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, 1340941 + ... + 1430543.

It is an arithmetic number, because the mean of its divisors is an integer number (7843799754).

Almost surely, 2^124166640426 is an apocalyptic number.

124166640426 is an abundant number, since it is smaller than the sum of its proper divisors (126834951702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124166640426 is a wasteful number, since it uses less digits than its factorization.

124166640426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92086.

The product of its (nonzero) digits is 331776, while the sum is 42.

The spelling of 124166640426 in words is "one hundred twenty-four billion, one hundred sixty-six million, six hundred forty thousand, four hundred twenty-six".