121120124 has 12 divisors (see below), whose sum is σ = 219269400. Its totient is φ = 58471728.

The previous prime is 121120123. The next prime is 121120133. The reversal of 121120124 is 421021121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121120099 and 121120108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121120123) 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, 521954 + ... + 522185.

It is an arithmetic number, because the mean of its divisors is an integer number (18272450).

Almost surely, 2^121120124 is an apocalyptic number.

It is an amenable number.

121120124 is a deficient number, since it is larger than the sum of its proper divisors (98149276).

121120124 is a wasteful number, since it uses less digits than its factorization.

121120124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044172 (or 1044170 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 121120124 is about 11005.4588273275. The cubic root of 121120124 is about 494.7723661712.

Adding to 121120124 its reverse (421021121), we get a palindrome (542141245).

The spelling of 121120124 in words is "one hundred twenty-one million, one hundred twenty thousand, one hundred twenty-four".