124794878629 has 4 divisors (see below), whose sum is σ = 125632428300. Its totient is φ = 123957328960.

The previous prime is 124794878627. The next prime is 124794878653. The reversal of 124794878629 is 926878497421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 83101322529 + 41693556100 = 288273^2 + 204190^2 .

It is a cyclic number.

It is not a de Polignac number, because 124794878629 - 2¹ = 124794878627 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124794878627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418774612 + ... + 418774909.

It is an arithmetic number, because the mean of its divisors is an integer number (31408107075).

Almost surely, 2^124794878629 is an apocalyptic number.

It is an amenable number.

124794878629 is a deficient number, since it is larger than the sum of its proper divisors (837549671).

124794878629 is an equidigital number, since it uses as much as digits as its factorization.

124794878629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837549670.

The product of its digits is 97542144, while the sum is 67.

The spelling of 124794878629 in words is "one hundred twenty-four billion, seven hundred ninety-four million, eight hundred seventy-eight thousand, six hundred twenty-nine".