122162100 has 36 divisors (see below), whose sum is σ = 353456544. Its totient is φ = 32576480.

The previous prime is 122162099. The next prime is 122162129. The reversal of 122162100 is 1261221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 122162100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 203304 + ... + 203903.

Almost surely, 2^122162100 is an apocalyptic number.

122162100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122162100 is an abundant number, since it is smaller than the sum of its proper divisors (231294444).

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

122162100 is a wasteful number, since it uses less digits than its factorization.

122162100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407224 (or 407217 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 122162100 is about 11052.6965035687. The cubic root of 122162100 is about 496.1871313065.

The spelling of 122162100 in words is "one hundred twenty-two million, one hundred sixty-two thousand, one hundred".