121412530 has 8 divisors (see below), whose sum is σ = 218542572. Its totient is φ = 48565008.

The previous prime is 121412519. The next prime is 121412549. The reversal of 121412530 is 35214121.

It can be written as a sum of positive squares in 2 ways, for example, as 114511401 + 6901129 = 10701^2 + 2627^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 121412498 and 121412507.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6070617 + ... + 6070636.

Almost surely, 2^121412530 is an apocalyptic number.

121412530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121412530 is a deficient number, since it is larger than the sum of its proper divisors (97130042).

121412530 is a wasteful number, since it uses less digits than its factorization.

121412530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12141260.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 121412530 is about 11018.7354083851. The cubic root of 121412530 is about 495.1702030079.

Adding to 121412530 its reverse (35214121), we get a palindrome (156626651).

The spelling of 121412530 in words is "one hundred twenty-one million, four hundred twelve thousand, five hundred thirty".