122112587 has 2 divisors, whose sum is σ = 122112588. Its totient is φ = 122112586.

The previous prime is 122112541. The next prime is 122112611. The reversal of 122112587 is 785211221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122112587 - 2²⁴ = 105335371 is a prime.

It is a super-2 number, since 2×122112587² = 29822967807665138, which contains 22 as substring.

It is a Chen prime.

It is equal to p_6955121 and since 122112587 and 6955121 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (122112517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61056293 + 61056294.

It is an arithmetic number, because the mean of its divisors is an integer number (61056294).

Almost surely, 2^122112587 is an apocalyptic number.

122112587 is a deficient number, since it is larger than the sum of its proper divisors (1).

122112587 is an equidigital number, since it uses as much as digits as its factorization.

122112587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2240, while the sum is 29.

The square root of 122112587 is about 11050.4564159133. The cubic root of 122112587 is about 496.1200864174.

The spelling of 122112587 in words is "one hundred twenty-two million, one hundred twelve thousand, five hundred eighty-seven".