125422121535 has 32 divisors (see below), whose sum is σ = 217662282432. Its totient is φ = 61421445120.

The previous prime is 125422121509. The next prime is 125422121543. The reversal of 125422121535 is 535121224521.

It is not a de Polignac number, because 125422121535 - 2¹⁰ = 125422120511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125422121496 and 125422121505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5987734 + ... + 6008643.

It is an arithmetic number, because the mean of its divisors is an integer number (6801946326).

Almost surely, 2^125422121535 is an apocalyptic number.

125422121535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125422121535 is a deficient number, since it is larger than the sum of its proper divisors (92240160897).

125422121535 is a wasteful number, since it uses less digits than its factorization.

125422121535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11996443.

The product of its digits is 24000, while the sum is 33.

The spelling of 125422121535 in words is "one hundred twenty-five billion, four hundred twenty-two million, one hundred twenty-one thousand, five hundred thirty-five".