121514617 has 16 divisors (see below), whose sum is σ = 142299520. Its totient is φ = 101616768.

The previous prime is 121514593. The next prime is 121514639. The reversal of 121514617 is 716415121.

It is a cyclic number.

It is not a de Polignac number, because 121514617 - 2¹⁹ = 120990329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121514677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49933 + ... + 52309.

It is an arithmetic number, because the mean of its divisors is an integer number (8893720).

Almost surely, 2^121514617 is an apocalyptic number.

It is an amenable number.

121514617 is a deficient number, since it is larger than the sum of its proper divisors (20784903).

121514617 is a wasteful number, since it uses less digits than its factorization.

121514617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2560.

The product of its digits is 1680, while the sum is 28.

The square root of 121514617 is about 11023.3668631684. The cubic root of 121514617 is about 495.3089483775.

Adding to 121514617 its reverse (716415121), we get a palindrome (837929738).

The spelling of 121514617 in words is "one hundred twenty-one million, five hundred fourteen thousand, six hundred seventeen".