122252587 has 4 divisors (see below), whose sum is σ = 122728536. Its totient is φ = 121776640.

The previous prime is 122252539. The next prime is 122252597. The reversal of 122252587 is 785252221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122252587 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (122252597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237589 + ... + 238102.

It is an arithmetic number, because the mean of its divisors is an integer number (30682134).

Almost surely, 2^122252587 is an apocalyptic number.

122252587 is a deficient number, since it is larger than the sum of its proper divisors (475949).

122252587 is an equidigital number, since it uses as much as digits as its factorization.

122252587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475948.

The product of its digits is 22400, while the sum is 34.

The square root of 122252587 is about 11056.7891813130. The cubic root of 122252587 is about 496.3096117481.

The spelling of 122252587 in words is "one hundred twenty-two million, two hundred fifty-two thousand, five hundred eighty-seven".