122356677 has 4 divisors (see below), whose sum is σ = 163142240. Its totient is φ = 81571116.

The previous prime is 122356657. The next prime is 122356693. The reversal of 122356677 is 776653221.

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 122356677 - 2¹⁴ = 122340293 is a prime.

It is a super-3 number, since 3×122356677³ (a number of 25 digits) contains 333 as substring.

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 (122356607) 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, 20392777 + ... + 20392782.

It is an arithmetic number, because the mean of its divisors is an integer number (40785560).

Almost surely, 2^122356677 is an apocalyptic number.

It is an amenable number.

122356677 is a deficient number, since it is larger than the sum of its proper divisors (40785563).

122356677 is an equidigital number, since it uses as much as digits as its factorization.

122356677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40785562.

The product of its digits is 105840, while the sum is 39.

The square root of 122356677 is about 11061.4952425068. The cubic root of 122356677 is about 496.4504300701.

The spelling of 122356677 in words is "one hundred twenty-two million, three hundred fifty-six thousand, six hundred seventy-seven".