124240540867 has 2 divisors, whose sum is σ = 124240540868. Its totient is φ = 124240540866.

The previous prime is 124240540859. The next prime is 124240540913. The reversal of 124240540867 is 768045042421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124240540867 - 2³ = 124240540859 is a prime.

It is a super-2 number, since 2×124240540867² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (124240540847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62120270433 + 62120270434.

It is an arithmetic number, because the mean of its divisors is an integer number (62120270434).

Almost surely, 2^124240540867 is an apocalyptic number.

124240540867 is a deficient number, since it is larger than the sum of its proper divisors (1).

124240540867 is an equidigital number, since it uses as much as digits as its factorization.

124240540867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 430080, while the sum is 43.

The spelling of 124240540867 in words is "one hundred twenty-four billion, two hundred forty million, five hundred forty thousand, eight hundred sixty-seven".