121086912 has 56 divisors (see below), whose sum is σ = 321224656. Its totient is φ = 40255488.

The previous prime is 121086893. The next prime is 121086913. The reversal of 121086912 is 219680121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 121086912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121086913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110238 + ... + 111330.

Almost surely, 2^121086912 is an apocalyptic number.

121086912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121086912 is an abundant number, since it is smaller than the sum of its proper divisors (200137744).

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

121086912 is a wasteful number, since it uses less digits than its factorization.

121086912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685 (or 1675 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 121086912 is about 11003.9498363088. The cubic root of 121086912 is about 494.7271386691.

The spelling of 121086912 in words is "one hundred twenty-one million, eighty-six thousand, nine hundred twelve".