121415368 has 32 divisors (see below), whose sum is σ = 233134200. Its totient is φ = 59258368.

The previous prime is 121415363. The next prime is 121415369. The reversal of 121415368 is 863514121.

It can be written as a sum of positive squares in 4 ways, for example, as 120165444 + 1249924 = 10962^2 + 1118^2 .

It is not an unprimeable number, because it can be changed into a prime (121415363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98178 + ... + 99406.

Almost surely, 2^121415368 is an apocalyptic number.

It is an amenable number.

121415368 is a deficient number, since it is larger than the sum of its proper divisors (111718832).

121415368 is a wasteful number, since it uses less digits than its factorization.

121415368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1521 (or 1517 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 121415368 is about 11018.8641882909. The cubic root of 121415368 is about 495.1740611547.

Adding to 121415368 its reverse (863514121), we get a palindrome (984929489).

The spelling of 121415368 in words is "one hundred twenty-one million, four hundred fifteen thousand, three hundred sixty-eight".