121513627 has 16 divisors (see below), whose sum is σ = 127733760. Its totient is φ = 115489600.

The previous prime is 121513621. The next prime is 121513631. The reversal of 121513627 is 726315121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 121513627 - 2³ = 121513619 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121513595 and 121513604.

It is not an unprimeable number, because it can be changed into a prime (121513621) 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, 461898 + ... + 462160.

It is an arithmetic number, because the mean of its divisors is an integer number (7983360).

Almost surely, 2^121513627 is an apocalyptic number.

121513627 is a deficient number, since it is larger than the sum of its proper divisors (6220133).

121513627 is a wasteful number, since it uses less digits than its factorization.

121513627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554.

The product of its digits is 2520, while the sum is 28.

The square root of 121513627 is about 11023.3219584661. The cubic root of 121513627 is about 495.3076032521.

Adding to 121513627 its reverse (726315121), we get a palindrome (847828748).

The spelling of 121513627 in words is "one hundred twenty-one million, five hundred thirteen thousand, six hundred twenty-seven".