Search a number
BaseRepresentation
bin11110000000010001
320020120202
4132000101
512413042
62344545
71021205
oct360021
9206522
10122897
1184375
125b155
1343c28
1432b05
1526632
hex1e011

122897 has 4 divisors (see below), whose sum is σ = 125040. Its totient is φ = 120756.

The previous prime is 122891. The next prime is 122921. The reversal of 122897 is 798221.

It is a happy number.

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 122897 - 26 = 122833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122891) 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, 983 + ... + 1100.

It is an arithmetic number, because the mean of its divisors is an integer number (31260).

2122897 is an apocalyptic number.

It is an amenable number.

122897 is a deficient number, since it is larger than the sum of its proper divisors (2143).

122897 is an equidigital number, since it uses as much as digits as its factorization.

122897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142.

The product of its digits is 2016, while the sum is 29.

The square root of 122897 is about 350.5666840988. The cubic root of 122897 is about 49.7180126524.

The spelling of 122897 in words is "one hundred twenty-two thousand, eight hundred ninety-seven".

Divisors: 1 59 2083 122897