122646587 has 8 divisors (see below), whose sum is σ = 140751072. Its totient is φ = 104688000.

The previous prime is 122646583. The next prime is 122646593. The reversal of 122646587 is 785646221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122646587 - 2² = 122646583 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122646583) 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, 34664 + ... + 38037.

It is an arithmetic number, because the mean of its divisors is an integer number (17593884).

Almost surely, 2^122646587 is an apocalyptic number.

122646587 is a deficient number, since it is larger than the sum of its proper divisors (18104485).

122646587 is an equidigital number, since it uses as much as digits as its factorization.

122646587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72949.

The product of its digits is 161280, while the sum is 41.

The square root of 122646587 is about 11074.5919563657. The cubic root of 122646587 is about 496.8422147691.

The spelling of 122646587 in words is "one hundred twenty-two million, six hundred forty-six thousand, five hundred eighty-seven".