249122 has 4 divisors (see below), whose sum is σ = 373686. Its totient is φ = 124560.

The previous prime is 249107. The next prime is 249127. The reversal of 249122 is 221942.

249122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 249001 + 121 = 499^2 + 11^2 .

It is a junction number, because it is equal to n+sod(n) for n = 249094 and 249103.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 249122.

It is not an unprimeable number, because it can be changed into a prime (249127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62279 + ... + 62282.

2²⁴⁹¹²² is an apocalyptic number.

249122 is a deficient number, since it is larger than the sum of its proper divisors (124564).

249122 is a wasteful number, since it uses less digits than its factorization.

249122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124563.

The product of its digits is 288, while the sum is 20.

The square root of 249122 is about 499.1212277593. The cubic root of 249122 is about 62.9222186135.

The spelling of 249122 in words is "two hundred forty-nine thousand, one hundred twenty-two".