901044242 has 12 divisors (see below), whose sum is σ = 1572230430. Its totient is φ = 386161776.

The previous prime is 901044241. The next prime is 901044257. The reversal of 901044242 is 242440109.

It can be written as a sum of positive squares in only one way, i.e., 883813441 + 17230801 = 29729^2 + 4151^2 .

It is not an unprimeable number, because it can be changed into a prime (901044241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4597067 + ... + 4597262.

Almost surely, 2^901044242 is an apocalyptic number.

901044242 is a deficient number, since it is larger than the sum of its proper divisors (671186188).

901044242 is a wasteful number, since it uses less digits than its factorization.

901044242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9194345 (or 9194338 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 901044242 is about 30017.3989879203. The cubic root of 901044242 is about 965.8626493788.

The spelling of 901044242 in words is "nine hundred one million, forty-four thousand, two hundred forty-two".