121489124 has 24 divisors (see below), whose sum is σ = 219991296. Its totient is φ = 58644000.

The previous prime is 121489103. The next prime is 121489127. The reversal of 121489124 is 421984121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (121489127) 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, 66179 + ... + 67989.

It is an arithmetic number, because the mean of its divisors is an integer number (9166304).

Almost surely, 2^121489124 is an apocalyptic number.

It is an amenable number.

121489124 is a deficient number, since it is larger than the sum of its proper divisors (98502172).

121489124 is a wasteful number, since it uses less digits than its factorization.

121489124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2387 (or 2385 counting only the distinct ones).

The product of its digits is 4608, while the sum is 32.

The square root of 121489124 is about 11022.2104861049. The cubic root of 121489124 is about 495.2743083908.

The spelling of 121489124 in words is "one hundred twenty-one million, four hundred eighty-nine thousand, one hundred twenty-four".