122640710 has 16 divisors (see below), whose sum is σ = 228366000. Its totient is φ = 47364576.

The previous prime is 122640709. The next prime is 122640733. The reversal of 122640710 is 17046221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211160 + ... + 211739.

It is an arithmetic number, because the mean of its divisors is an integer number (14272875).

Almost surely, 2^122640710 is an apocalyptic number.

122640710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122640710 is a deficient number, since it is larger than the sum of its proper divisors (105725290).

122640710 is a wasteful number, since it uses less digits than its factorization.

122640710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422935.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 122640710 is about 11074.3266160973. The cubic root of 122640710 is about 496.8342787191.

Adding to 122640710 its reverse (17046221), we get a palindrome (139686931).

The spelling of 122640710 in words is "one hundred twenty-two million, six hundred forty thousand, seven hundred ten".