124420525749290 has 8 divisors (see below), whose sum is σ = 223956946348740. Its totient is φ = 49768210299712.

The previous prime is 124420525749271. The next prime is 124420525749301. The reversal of 124420525749290 is 92947525024421.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 112065110938561 + 12355414810729 = 10586081^2 + 3515027^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6221026287455 + ... + 6221026287474.

Almost surely, 2^{124420525749290} is an apocalyptic number.

124420525749290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

124420525749290 is a deficient number, since it is larger than the sum of its proper divisors (99536420599450).

124420525749290 is a wasteful number, since it uses less digits than its factorization.

124420525749290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12442052574936.

The product of its (nonzero) digits is 14515200, while the sum is 56.

The spelling of 124420525749290 in words is "one hundred twenty-four trillion, four hundred twenty billion, five hundred twenty-five million, seven hundred forty-nine thousand, two hundred ninety".