121337090 has 32 divisors (see below), whose sum is σ = 252046080. Its totient is φ = 41194944.

The previous prime is 121337077. The next prime is 121337093. The reversal of 121337090 is 90733121.

It is not an unprimeable number, because it can be changed into a prime (121337093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1205 + ... + 15624.

It is an arithmetic number, because the mean of its divisors is an integer number (7876440).

Almost surely, 2^121337090 is an apocalyptic number.

121337090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121337090 is an abundant number, since it is smaller than the sum of its proper divisors (130708990).

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

121337090 is a wasteful number, since it uses less digits than its factorization.

121337090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16946.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 121337090 is about 11015.3116161096. The cubic root of 121337090 is about 495.0676233159.

The spelling of 121337090 in words is "one hundred twenty-one million, three hundred thirty-seven thousand, ninety".