124685255531 has 2 divisors, whose sum is σ = 124685255532. Its totient is φ = 124685255530.

The previous prime is 124685255479. The next prime is 124685255567. The reversal of 124685255531 is 135552586421.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124685255531 is a prime.

It is a super-2 number, since 2×124685255531² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (124685254531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62342627765 + 62342627766.

It is an arithmetic number, because the mean of its divisors is an integer number (62342627766).

Almost surely, 2^124685255531 is an apocalyptic number.

124685255531 is a deficient number, since it is larger than the sum of its proper divisors (1).

124685255531 is an equidigital number, since it uses as much as digits as its factorization.

124685255531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440000, while the sum is 47.

The spelling of 124685255531 in words is "one hundred twenty-four billion, six hundred eighty-five million, two hundred fifty-five thousand, five hundred thirty-one".