121141513 has 4 divisors (see below), whose sum is σ = 123719040. Its totient is φ = 118563988.

The previous prime is 121141499. The next prime is 121141543. The reversal of 121141513 is 315141121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121141513 - 2¹³ = 121133321 is a prime.

It is a super-3 number, since 3×121141513³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (121141543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1288693 + ... + 1288786.

It is an arithmetic number, because the mean of its divisors is an integer number (30929760).

Almost surely, 2^121141513 is an apocalyptic number.

It is an amenable number.

121141513 is a deficient number, since it is larger than the sum of its proper divisors (2577527).

121141513 is an equidigital number, since it uses as much as digits as its factorization.

121141513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2577526.

The product of its digits is 120, while the sum is 19.

The square root of 121141513 is about 11006.4305294678. The cubic root of 121141513 is about 494.8014889487.

Adding to 121141513 its reverse (315141121), we get a palindrome (436282634).

It can be divided in two parts, 1211 and 41513, that added together give a palindrome (42724).

The spelling of 121141513 in words is "one hundred twenty-one million, one hundred forty-one thousand, five hundred thirteen".