122621419425 has 12 divisors (see below), whose sum is σ = 202734080240. Its totient is φ = 65398090320.

The previous prime is 122621419391. The next prime is 122621419447. The reversal of 122621419425 is 524914126221.

It is a happy number.

It is not a de Polignac number, because 122621419425 - 2¹¹ = 122621417377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 817476055 + ... + 817476204.

Almost surely, 2^122621419425 is an apocalyptic number.

122621419425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122621419425 is a deficient number, since it is larger than the sum of its proper divisors (80112660815).

122621419425 is a wasteful number, since it uses less digits than its factorization.

122621419425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634952272 (or 1634952267 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The spelling of 122621419425 in words is "one hundred twenty-two billion, six hundred twenty-one million, four hundred nineteen thousand, four hundred twenty-five".