121412737 has 8 divisors (see below), whose sum is σ = 124570080. Its totient is φ = 118292160.

The previous prime is 121412729. The next prime is 121412741. The reversal of 121412737 is 737214121.

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

It is a cyclic number.

It is not a de Polignac number, because 121412737 - 2³ = 121412729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121412437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2439 + ... + 15772.

It is an arithmetic number, because the mean of its divisors is an integer number (15571260).

Almost surely, 2^121412737 is an apocalyptic number.

It is an amenable number.

121412737 is a deficient number, since it is larger than the sum of its proper divisors (3157343).

121412737 is a wasteful number, since it uses less digits than its factorization.

121412737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18383.

The product of its digits is 2352, while the sum is 28.

The square root of 121412737 is about 11018.7448014735. The cubic root of 121412737 is about 495.1704844181.

Adding to 121412737 its reverse (737214121), we get a palindrome (858626858).

It can be divided in two parts, 12141 and 2737, that added together give a triangular number (14878 = T₁₇₂).

The spelling of 121412737 in words is "one hundred twenty-one million, four hundred twelve thousand, seven hundred thirty-seven".