121554114 has 64 divisors (see below), whose sum is σ = 283295232. Its totient is φ = 34361600.

The previous prime is 121554107. The next prime is 121554127. The reversal of 121554114 is 411455121.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146569 + ... + 147395.

It is an arithmetic number, because the mean of its divisors is an integer number (4426488).

Almost surely, 2^121554114 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121554114, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141647616).

121554114 is an abundant number, since it is smaller than the sum of its proper divisors (161741118).

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

121554114 is a wasteful number, since it uses less digits than its factorization.

121554114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991.

The product of its digits is 800, while the sum is 24.

The square root of 121554114 is about 11025.1582301571. The cubic root of 121554114 is about 495.3626074867.

The spelling of 121554114 in words is "one hundred twenty-one million, five hundred fifty-four thousand, one hundred fourteen".