121499064 has 48 divisors (see below), whose sum is σ = 343371600. Its totient is φ = 38738304.

The previous prime is 121499057. The next prime is 121499099. The reversal of 121499064 is 460994121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35029 + ... + 38340.

It is an arithmetic number, because the mean of its divisors is an integer number (7153575).

Almost surely, 2^121499064 is an apocalyptic number.

It is an amenable number.

121499064 is an abundant number, since it is smaller than the sum of its proper divisors (221872536).

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

121499064 is a wasteful number, since it uses less digits than its factorization.

121499064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73404 (or 73397 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 121499064 is about 11022.6613846203. The cubic root of 121499064 is about 495.2878154775.

The spelling of 121499064 in words is "one hundred twenty-one million, four hundred ninety-nine thousand, sixty-four".