122102785 has 16 divisors (see below), whose sum is σ = 170203392. Its totient is φ = 82353600.

The previous prime is 122102779. The next prime is 122102807. The reversal of 122102785 is 587201221.

It is not a de Polignac number, because 122102785 - 2³ = 122102777 is a prime.

It is a Duffinian 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, 26461 + ... + 30730.

It is an arithmetic number, because the mean of its divisors is an integer number (10637712).

Almost surely, 2^122102785 is an apocalyptic number.

It is an amenable number.

122102785 is a deficient number, since it is larger than the sum of its proper divisors (48100607).

122102785 is an equidigital number, since it uses as much as digits as its factorization.

122102785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57264.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 122102785 is about 11050.0128959201. The cubic root of 122102785 is about 496.1068115118.

The spelling of 122102785 in words is "one hundred twenty-two million, one hundred two thousand, seven hundred eighty-five".