121545244 has 12 divisors (see below), whose sum is σ = 213553368. Its totient is φ = 60530000.

The previous prime is 121545241. The next prime is 121545269. The reversal of 121545244 is 442545121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121545241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59527 + ... + 61534.

It is an arithmetic number, because the mean of its divisors is an integer number (17796114).

Almost surely, 2^121545244 is an apocalyptic number.

It is an amenable number.

121545244 is a deficient number, since it is larger than the sum of its proper divisors (92008124).

121545244 is a wasteful number, since it uses less digits than its factorization.

121545244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121316 (or 121314 counting only the distinct ones).

The product of its digits is 6400, while the sum is 28.

The square root of 121545244 is about 11024.7559610179. The cubic root of 121545244 is about 495.3505580571.

The spelling of 121545244 in words is "one hundred twenty-one million, five hundred forty-five thousand, two hundred forty-four".