121374544 has 10 divisors (see below), whose sum is σ = 235163210. Its totient is φ = 60687264.

The previous prime is 121374529. The next prime is 121374553. The reversal of 121374544 is 445473121.

It can be written as a sum of positive squares in only one way, i.e., 121000000 + 374544 = 11000^2 + 612^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3792939 + ... + 3792970.

It is an arithmetic number, because the mean of its divisors is an integer number (23516321).

Almost surely, 2^121374544 is an apocalyptic number.

It is an amenable number.

121374544 is a deficient number, since it is larger than the sum of its proper divisors (113788666).

121374544 is an equidigital number, since it uses as much as digits as its factorization.

121374544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7585917 (or 7585911 counting only the distinct ones).

The product of its digits is 13440, while the sum is 31.

The square root of 121374544 is about 11017.0115730174. The cubic root of 121374544 is about 495.1185567807.

It can be divided in two parts, 1213 and 74544, that added together give a palindrome (75757).

The spelling of 121374544 in words is "one hundred twenty-one million, three hundred seventy-four thousand, five hundred forty-four".