121079610 has 112 divisors (see below), whose sum is σ = 346341096. Its totient is φ = 30357504.

The previous prime is 121079599. The next prime is 121079633. The reversal of 121079610 is 16970121.

It can be written as a sum of positive squares in 4 ways, for example, as 120758121 + 321489 = 10989^2 + 567^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 123442 + ... + 124418.

Almost surely, 2^121079610 is an apocalyptic number.

121079610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 121079610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173170548).

121079610 is an abundant number, since it is smaller than the sum of its proper divisors (225261486).

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

121079610 is an equidigital number, since it uses as much as digits as its factorization.

121079610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019 (or 1004 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The square root of 121079610 is about 11003.6180413535. The cubic root of 121079610 is about 494.7171938283.

The spelling of 121079610 in words is "one hundred twenty-one million, seventy-nine thousand, six hundred ten".