121302124 has 12 divisors (see below), whose sum is σ = 212423904. Its totient is φ = 60609584.

The previous prime is 121302113. The next prime is 121302127. The reversal of 121302124 is 421203121.

It is a super-2 number, since 2×121302124² = 29428410573822752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121302098 and 121302107.

It is not an unprimeable number, because it can be changed into a prime (121302127) 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, 3247 + ... + 15910.

It is an arithmetic number, because the mean of its divisors is an integer number (17701992).

Almost surely, 2^121302124 is an apocalyptic number.

It is an amenable number.

121302124 is a deficient number, since it is larger than the sum of its proper divisors (91121780).

121302124 is a wasteful number, since it uses less digits than its factorization.

121302124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20744 (or 20742 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 121302124 is about 11013.7243473768. The cubic root of 121302124 is about 495.0200638060.

Adding to 121302124 its reverse (421203121), we get a palindrome (542505245).

The spelling of 121302124 in words is "one hundred twenty-one million, three hundred two thousand, one hundred twenty-four".