121012124 has 6 divisors (see below), whose sum is σ = 211771224. Its totient is φ = 60506060.

The previous prime is 121012123. The next prime is 121012139. The reversal of 121012124 is 421210121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121012099 and 121012108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121012123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15126512 + ... + 15126519.

It is an arithmetic number, because the mean of its divisors is an integer number (35295204).

Almost surely, 2^121012124 is an apocalyptic number.

It is an amenable number.

121012124 is a deficient number, since it is larger than the sum of its proper divisors (90759100).

121012124 is a wasteful number, since it uses less digits than its factorization.

121012124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30253035 (or 30253033 counting only the distinct ones).

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

The square root of 121012124 is about 11000.5510771052. The cubic root of 121012124 is about 494.6252634327.

Adding to 121012124 its reverse (421210121), we get a palindrome (542222245).

The spelling of 121012124 in words is "one hundred twenty-one million, twelve thousand, one hundred twenty-four".