121331095 has 16 divisors (see below), whose sum is σ = 155639232. Its totient is φ = 90576640.

The previous prime is 121331069. The next prime is 121331107. The reversal of 121331095 is 590133121.

It is not a de Polignac number, because 121331095 - 2⁷ = 121330967 is a prime.

It is a super-2 number, since 2×121331095² = 29442469227798050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8152 + ... + 17581.

It is an arithmetic number, because the mean of its divisors is an integer number (9727452).

Almost surely, 2^121331095 is an apocalyptic number.

121331095 is a deficient number, since it is larger than the sum of its proper divisors (34308137).

121331095 is a wasteful number, since it uses less digits than its factorization.

121331095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25802.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 121331095 is about 11015.0394915316. The cubic root of 121331095 is about 495.0594697791.

The spelling of 121331095 in words is "one hundred twenty-one million, three hundred thirty-one thousand, ninety-five".