249302122 has 4 divisors (see below), whose sum is σ = 373953186. Its totient is φ = 124651060.

The previous prime is 249302111. The next prime is 249302149. The reversal of 249302122 is 221203942.

249302122 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., 167417721 + 81884401 = 12939^2 + 9049^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62325529 + ... + 62325532.

Almost surely, 2^249302122 is an apocalyptic number.

249302122 is a deficient number, since it is larger than the sum of its proper divisors (124651064).

249302122 is a wasteful number, since it uses less digits than its factorization.

249302122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124651063.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 249302122 is about 15789.3040378606. The cubic root of 249302122 is about 629.3737978681.

The spelling of 249302122 in words is "two hundred forty-nine million, three hundred two thousand, one hundred twenty-two".