121576713 has 4 divisors (see below), whose sum is σ = 162102288. Its totient is φ = 81051140.

The previous prime is 121576703. The next prime is 121576727. The reversal of 121576713 is 317675121.

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, and also an emirpimes, since its reverse is a distinct semiprime: 317675121 = 3 ⋅105891707.

It is a cyclic number.

It is not a de Polignac number, because 121576713 - 2⁵ = 121576681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121576703) 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, 20262783 + ... + 20262788.

It is an arithmetic number, because the mean of its divisors is an integer number (40525572).

Almost surely, 2^121576713 is an apocalyptic number.

It is an amenable number.

121576713 is a deficient number, since it is larger than the sum of its proper divisors (40525575).

121576713 is an equidigital number, since it uses as much as digits as its factorization.

121576713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40525574.

The product of its digits is 8820, while the sum is 33.

The square root of 121576713 is about 11026.1830657758. The cubic root of 121576713 is about 495.3933043934.

The spelling of 121576713 in words is "one hundred twenty-one million, five hundred seventy-six thousand, seven hundred thirteen".