124540202419 has 2 divisors, whose sum is σ = 124540202420. Its totient is φ = 124540202418.

The previous prime is 124540202387. The next prime is 124540202447. The reversal of 124540202419 is 914202045421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 124540202419 - 2⁵ = 124540202387 is a prime.

It is a super-2 number, since 2×124540202419² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (124540202219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62270101209 + 62270101210.

It is an arithmetic number, because the mean of its divisors is an integer number (62270101210).

Almost surely, 2^124540202419 is an apocalyptic number.

124540202419 is a deficient number, since it is larger than the sum of its proper divisors (1).

124540202419 is an equidigital number, since it uses as much as digits as its factorization.

124540202419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 124540202419 in words is "one hundred twenty-four billion, five hundred forty million, two hundred two thousand, four hundred nineteen".