121205488 has 40 divisors (see below), whose sum is σ = 245796768. Its totient is φ = 57837312.

The previous prime is 121205467. The next prime is 121205489. The reversal of 121205488 is 884502121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121205489) 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, 29445 + ... + 33307.

Almost surely, 2^121205488 is an apocalyptic number.

It is an amenable number.

121205488 is an abundant number, since it is smaller than the sum of its proper divisors (124591280).

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

121205488 is a wasteful number, since it uses less digits than its factorization.

121205488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3961 (or 3955 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 121205488 is about 11009.3364014367. The cubic root of 121205488 is about 494.8885754031. Note that the first 3 decimals are identical.

The spelling of 121205488 in words is "one hundred twenty-one million, two hundred five thousand, four hundred eighty-eight".