124025541545531 has 2 divisors, whose sum is σ = 124025541545532. Its totient is φ = 124025541545530.

The previous prime is 124025541545501. The next prime is 124025541545579. The reversal of 124025541545531 is 135545145520421.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124025541545531 - 2¹⁸ = 124025541283387 is a prime.

It is a super-2 number, since 2×124025541545531² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (124025541545501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62012770772765 + 62012770772766.

It is an arithmetic number, because the mean of its divisors is an integer number (62012770772766).

Almost surely, 2^{124025541545531} is an apocalyptic number.

124025541545531 is a deficient number, since it is larger than the sum of its proper divisors (1).

124025541545531 is an equidigital number, since it uses as much as digits as its factorization.

124025541545531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400000, while the sum is 47.

The spelling of 124025541545531 in words is "one hundred twenty-four trillion, twenty-five billion, five hundred forty-one million, five hundred forty-five thousand, five hundred thirty-one".