121359898 has 16 divisors (see below), whose sum is σ = 199428480. Its totient is φ = 54930400.

The previous prime is 121359881. The next prime is 121359899. The reversal of 121359898 is 898953121.

It is not an unprimeable number, because it can be changed into a prime (121359899) 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, 6283 + ... + 16798.

It is an arithmetic number, because the mean of its divisors is an integer number (12464280).

Almost surely, 2^121359898 is an apocalyptic number.

121359898 is a deficient number, since it is larger than the sum of its proper divisors (78068582).

121359898 is a wasteful number, since it uses less digits than its factorization.

121359898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23333.

The product of its digits is 155520, while the sum is 46.

The square root of 121359898 is about 11016.3468536534. The cubic root of 121359898 is about 495.0986410229.

The spelling of 121359898 in words is "one hundred twenty-one million, three hundred fifty-nine thousand, eight hundred ninety-eight".