122943677 has 4 divisors (see below), whose sum is σ = 130175676. Its totient is φ = 115711680.

The previous prime is 122943659. The next prime is 122943703. The reversal of 122943677 is 776349221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 58767556 + 64176121 = 7666^2 + 8011^2 .

It is a cyclic number.

It is not a de Polignac number, because 122943677 - 2¹⁰ = 122942653 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 (122943617) 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, 3615974 + ... + 3616007.

It is an arithmetic number, because the mean of its divisors is an integer number (32543919).

Almost surely, 2^122943677 is an apocalyptic number.

122943677 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

122943677 is a deficient number, since it is larger than the sum of its proper divisors (7231999).

122943677 is an equidigital number, since it uses as much as digits as its factorization.

122943677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7231998.

The product of its digits is 127008, while the sum is 41.

The square root of 122943677 is about 11087.9969787153. The cubic root of 122943677 is about 497.2430625311.

The spelling of 122943677 in words is "one hundred twenty-two million, nine hundred forty-three thousand, six hundred seventy-seven".