121962372 has 72 divisors (see below), whose sum is σ = 339181920. Its totient is φ = 33989760.

The previous prime is 121962359. The next prime is 121962383. The reversal of 121962372 is 273269121.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21579 + ... + 26637.

It is an arithmetic number, because the mean of its divisors is an integer number (4710860).

Almost surely, 2^121962372 is an apocalyptic number.

121962372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121962372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169590960).

121962372 is an abundant number, since it is smaller than the sum of its proper divisors (217219548).

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

121962372 is a wasteful number, since it uses less digits than its factorization.

121962372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5121 (or 5112 counting only the distinct ones).

The product of its digits is 9072, while the sum is 33.

The square root of 121962372 is about 11043.6575463023. The cubic root of 121962372 is about 495.9165713390.

The spelling of 121962372 in words is "one hundred twenty-one million, nine hundred sixty-two thousand, three hundred seventy-two".