121075125 has 32 divisors (see below), whose sum is σ = 212085120. Its totient is φ = 61171200.

The previous prime is 121075111. The next prime is 121075153. The reversal of 121075125 is 521570121.

It is not a de Polignac number, because 121075125 - 2⁸ = 121074869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121075095 and 121075104.

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, 1372 + ... + 15621.

It is an arithmetic number, because the mean of its divisors is an integer number (6627660).

Almost surely, 2^121075125 is an apocalyptic number.

121075125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121075125 is a deficient number, since it is larger than the sum of its proper divisors (91009995).

121075125 is a wasteful number, since it uses less digits than its factorization.

121075125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17030 (or 17020 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 24.

The square root of 121075125 is about 11003.4142428612. The cubic root of 121075125 is about 494.7110853568.

The spelling of 121075125 in words is "one hundred twenty-one million, seventy-five thousand, one hundred twenty-five".