122500613 has 4 divisors (see below), whose sum is σ = 123976608. Its totient is φ = 121024620.

The previous prime is 122500597. The next prime is 122500633. The reversal of 122500613 is 316005221.

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 122500613 - 2⁴ = 122500597 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 (122500633) 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, 737873 + ... + 738038.

It is an arithmetic number, because the mean of its divisors is an integer number (30994152).

Almost surely, 2^122500613 is an apocalyptic number.

It is an amenable number.

122500613 is a deficient number, since it is larger than the sum of its proper divisors (1475995).

122500613 is an equidigital number, since it uses as much as digits as its factorization.

122500613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475994.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 122500613 is about 11067.9995030719. Note that the first 3 decimals coincide. The cubic root of 122500613 is about 496.6450226043.

Adding to 122500613 its reverse (316005221), we get a palindrome (438505834).

The spelling of 122500613 in words is "one hundred twenty-two million, five hundred thousand, six hundred thirteen".