121772504 has 32 divisors (see below), whose sum is σ = 261300000. Its totient is φ = 52116480.

The previous prime is 121772503. The next prime is 121772509. The reversal of 121772504 is 405277121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121772503) 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, 69074 + ... + 70814.

It is an arithmetic number, because the mean of its divisors is an integer number (8165625).

Almost surely, 2^121772504 is an apocalyptic number.

121772504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

121772504 is an abundant number, since it is smaller than the sum of its proper divisors (139527496).

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

121772504 is a wasteful number, since it uses less digits than its factorization.

121772504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3003 (or 2999 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 121772504 is about 11035.0579518188. The cubic root of 121772504 is about 495.6590941362.

The spelling of 121772504 in words is "one hundred twenty-one million, seven hundred seventy-two thousand, five hundred four".