121195914 has 48 divisors (see below), whose sum is σ = 285879168. Its totient is φ = 34147008.

The previous prime is 121195913. The next prime is 121195951. The reversal of 121195914 is 419591121.

It is not an unprimeable number, because it can be changed into a prime (121195913) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18639 + ... + 24285.

It is an arithmetic number, because the mean of its divisors is an integer number (5955816).

Almost surely, 2^121195914 is an apocalyptic number.

121195914 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 121195914, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142939584).

121195914 is an abundant number, since it is smaller than the sum of its proper divisors (164683254).

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

121195914 is a wasteful number, since it uses less digits than its factorization.

121195914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5739 (or 5732 counting only the distinct ones).

The product of its digits is 3240, while the sum is 33.

The square root of 121195914 is about 11008.9015800851. The cubic root of 121195914 is about 494.8755446731.

The spelling of 121195914 in words is "one hundred twenty-one million, one hundred ninety-five thousand, nine hundred fourteen".