122951613 has 4 divisors (see below), whose sum is σ = 163935488. Its totient is φ = 81967740.

The previous prime is 122951593. The next prime is 122951639. The reversal of 122951613 is 316159221.

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 not a de Polignac number, because 122951613 - 2⁸ = 122951357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122951683) 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, 20491933 + ... + 20491938.

It is an arithmetic number, because the mean of its divisors is an integer number (40983872).

Almost surely, 2^122951613 is an apocalyptic number.

It is an amenable number.

122951613 is a deficient number, since it is larger than the sum of its proper divisors (40983875).

122951613 is an equidigital number, since it uses as much as digits as its factorization.

122951613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40983874.

The product of its digits is 3240, while the sum is 30.

The square root of 122951613 is about 11088.3548373959. The cubic root of 122951613 is about 497.2537612948.

The spelling of 122951613 in words is "one hundred twenty-two million, nine hundred fifty-one thousand, six hundred thirteen".