122997 has 8 divisors (see below), whose sum is σ = 187456. Its totient is φ = 70272.

The previous prime is 122971. The next prime is 123001. The reversal of 122997 is 799221.

122997 = 74² + 75² + ... + 91².

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122997 - 2⁷ = 122869 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2908 + ... + 2949.

It is an arithmetic number, because the mean of its divisors is an integer number (23432).

2¹²²⁹⁹⁷ is an apocalyptic number.

It is an amenable number.

122997 is a deficient number, since it is larger than the sum of its proper divisors (64459).

122997 is an equidigital number, since it uses as much as digits as its factorization.

122997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5867.

The product of its digits is 2268, while the sum is 30.

The square root of 122997 is about 350.7092813143. The cubic root of 122997 is about 49.7314940050.

It can be divided in two parts, 1229 and 97, that added together give a triangular number (1326 = T₅₁).

The spelling of 122997 in words is "one hundred twenty-two thousand, nine hundred ninety-seven".