122150575427 has 4 divisors (see below), whose sum is σ = 122200990800. Its totient is φ = 122100160056.

The previous prime is 122150575399. The next prime is 122150575453. The reversal of 122150575427 is 724575051221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 122150575427 - 2¹⁶ = 122150509891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122150578427) 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, 25204052 + ... + 25208897.

It is an arithmetic number, because the mean of its divisors is an integer number (30550247700).

Almost surely, 2^122150575427 is an apocalyptic number.

122150575427 is a deficient number, since it is larger than the sum of its proper divisors (50415373).

122150575427 is an equidigital number, since it uses as much as digits as its factorization.

122150575427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50415372.

The product of its (nonzero) digits is 196000, while the sum is 41.

The spelling of 122150575427 in words is "one hundred twenty-two billion, one hundred fifty million, five hundred seventy-five thousand, four hundred twenty-seven".