122009976 has 80 divisors (see below), whose sum is σ = 372830040. Its totient is φ = 36970560.

The previous prime is 122009971. The next prime is 122009977. The reversal of 122009976 is 679900221.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 122009976.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122009971) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1431 + ... + 15686.

Almost surely, 2^122009976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122009976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186415020).

122009976 is an abundant number, since it is smaller than the sum of its proper divisors (250820064).

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

122009976 is a wasteful number, since it uses less digits than its factorization.

122009976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17146 (or 17133 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 122009976 is about 11045.8126002572. The cubic root of 122009976 is about 495.9810845197.

The spelling of 122009976 in words is "one hundred twenty-two million, nine thousand, nine hundred seventy-six".