121013516 has 12 divisors (see below), whose sum is σ = 228064032. Its totient is φ = 55852368.

The previous prime is 121013513. The next prime is 121013533. The reversal of 121013516 is 615310121.

It is not an unprimeable number, because it can be changed into a prime (121013513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1163540 + ... + 1163643.

It is an arithmetic number, because the mean of its divisors is an integer number (19005336).

Almost surely, 2^121013516 is an apocalyptic number.

It is an amenable number.

121013516 is a deficient number, since it is larger than the sum of its proper divisors (107050516).

121013516 is a wasteful number, since it uses less digits than its factorization.

121013516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2327200 (or 2327198 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 121013516 is about 11000.6143464808. The cubic root of 121013516 is about 494.6271599802.

Adding to 121013516 its reverse (615310121), we get a palindrome (736323637).

The spelling of 121013516 in words is "one hundred twenty-one million, thirteen thousand, five hundred sixteen".