124403420499 has 8 divisors (see below), whose sum is σ = 166039971072. Its totient is φ = 82851241800.

The previous prime is 124403420467. The next prime is 124403420513. The reversal of 124403420499 is 994024304421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 124403420499 - 2⁵ = 124403420467 is a prime.

It is a super-2 number, since 2×124403420499² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 124403420499.

It is not an unprimeable number, because it can be changed into a prime (124403420419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21089527 + ... + 21095424.

It is an arithmetic number, because the mean of its divisors is an integer number (20754996384).

Almost surely, 2^124403420499 is an apocalyptic number.

124403420499 is a deficient number, since it is larger than the sum of its proper divisors (41636550573).

124403420499 is an equidigital number, since it uses as much as digits as its factorization.

124403420499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42185937.

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 124403420499 in words is "one hundred twenty-four billion, four hundred three million, four hundred twenty thousand, four hundred ninety-nine".