88190121 has 8 divisors (see below), whose sum is σ = 117631584. Its totient is φ = 58771040.

The previous prime is 88190111. The next prime is 88190147. The reversal of 88190121 is 12109188.

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-88190121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (88190111) 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, 9166 + ... + 16136.

It is an arithmetic number, because the mean of its divisors is an integer number (14703948).

Almost surely, 2^88190121 is an apocalyptic number.

It is an amenable number.

88190121 is a deficient number, since it is larger than the sum of its proper divisors (29441463).

88190121 is a wasteful number, since it uses less digits than its factorization.

88190121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11191.

The product of its (nonzero) digits is 1152, while the sum is 30.

The square root of 88190121 is about 9390.9595356385. The cubic root of 88190121 is about 445.1161099198.

The spelling of 88190121 in words is "eighty-eight million, one hundred ninety thousand, one hundred twenty-one".