122696220 has 24 divisors (see below), whose sum is σ = 343549584. Its totient is φ = 32718976.

The previous prime is 122696207. The next prime is 122696221. The reversal of 122696220 is 22696221.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122696221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1022409 + ... + 1022528.

It is an arithmetic number, because the mean of its divisors is an integer number (14314566).

Almost surely, 2^122696220 is an apocalyptic number.

122696220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122696220 is an abundant number, since it is smaller than the sum of its proper divisors (220853364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122696220 is a wasteful number, since it uses less digits than its factorization.

122696220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044949 (or 2044947 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 122696220 is about 11076.8325797585. The cubic root of 122696220 is about 496.9092269449.

Subtracting from 122696220 its reverse (22696221), we obtain a palindrome (99999999).

The spelling of 122696220 in words is "one hundred twenty-two million, six hundred ninety-six thousand, two hundred twenty".