122125091 has 8 divisors (see below), whose sum is σ = 135741744. Its totient is φ = 108927520.

The previous prime is 122125079. The next prime is 122125097. The reversal of 122125091 is 190521221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122125091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122125097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104156 + ... + 105321.

It is an arithmetic number, because the mean of its divisors is an integer number (16967718).

Almost surely, 2^122125091 is an apocalyptic number.

122125091 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122125091 is a deficient number, since it is larger than the sum of its proper divisors (13616653).

122125091 is a wasteful number, since it uses less digits than its factorization.

122125091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209541.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 122125091 is about 11051.0221699171. The cubic root of 122125091 is about 496.1370196263.

The spelling of 122125091 in words is "one hundred twenty-two million, one hundred twenty-five thousand, ninety-one".