121513514 has 4 divisors (see below), whose sum is σ = 182270274. Its totient is φ = 60756756.

The previous prime is 121513507. The next prime is 121513519. The reversal of 121513514 is 415315121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 116748025 + 4765489 = 10805^2 + 2183^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 121513514.

It is not an unprimeable number, because it can be changed into a prime (121513519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30378377 + ... + 30378380.

Almost surely, 2^121513514 is an apocalyptic number.

121513514 is a deficient number, since it is larger than the sum of its proper divisors (60756760).

121513514 is an equidigital number, since it uses as much as digits as its factorization.

121513514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60756759.

The product of its digits is 600, while the sum is 23.

The square root of 121513514 is about 11023.3168329682. The cubic root of 121513514 is about 495.3074497171.

Adding to 121513514 its reverse (415315121), we get a palindrome (536828635).

The spelling of 121513514 in words is "one hundred twenty-one million, five hundred thirteen thousand, five hundred fourteen".