122235679 has 4 divisors (see below), whose sum is σ = 125539384. Its totient is φ = 118931976.

The previous prime is 122235613. The next prime is 122235689. The reversal of 122235679 is 976532221.

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

It is a cyclic number.

It is not a de Polignac number, because 122235679 - 2¹⁵ = 122202911 is a prime.

It is a super-2 number, since 2×122235679² = 29883122441182082, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 3303667 = 122235679 / (1 + 2 + 2 + 2 + 3 + 5 + 6 + 7 + 9).

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122235689) 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, 1651797 + ... + 1651870.

It is an arithmetic number, because the mean of its divisors is an integer number (31384846).

Almost surely, 2^122235679 is an apocalyptic number.

122235679 is a deficient number, since it is larger than the sum of its proper divisors (3303705).

122235679 is an equidigital number, since it uses as much as digits as its factorization.

122235679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3303704.

The product of its digits is 45360, while the sum is 37.

The square root of 122235679 is about 11056.0245567745. The cubic root of 122235679 is about 496.2867301879.

The spelling of 122235679 in words is "one hundred twenty-two million, two hundred thirty-five thousand, six hundred seventy-nine".