122393187 has 40 divisors (see below), whose sum is σ = 211887456. Its totient is φ = 68957568.

The previous prime is 122393171. The next prime is 122393207. The reversal of 122393187 is 781393221.

It is not a de Polignac number, because 122393187 - 2⁴ = 122393171 is a prime.

It is a super-3 number, since 3×122393187³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (122393107) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 39913 + ... + 42869.

Almost surely, 2^122393187 is an apocalyptic number.

122393187 is a deficient number, since it is larger than the sum of its proper divisors (89494269).

122393187 is an equidigital number, since it uses as much as digits as its factorization.

122393187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3049 (or 3040 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 122393187 is about 11063.1454387981. The cubic root of 122393187 is about 496.4998037622.

The spelling of 122393187 in words is "one hundred twenty-two million, three hundred ninety-three thousand, one hundred eighty-seven".