1012244042 has 4 divisors (see below), whose sum is σ = 1518366066. Its totient is φ = 506122020.

The previous prime is 1012244033. The next prime is 1012244047. The reversal of 1012244042 is 2404422101.

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., 964785721 + 47458321 = 31061^2 + 6889^2 .

It is not an unprimeable number, because it can be changed into a prime (1012244047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253061009 + ... + 253061012.

Almost surely, 2^1012244042 is an apocalyptic number.

1012244042 is a deficient number, since it is larger than the sum of its proper divisors (506122024).

1012244042 is an equidigital number, since it uses as much as digits as its factorization.

1012244042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506122023.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1012244042 is about 31815.7829072302. The cubic root of 1012244042 is about 1004.0648023283.

Adding to 1012244042 its reverse (2404422101), we get a palindrome (3416666143).

The spelling of 1012244042 in words is "one billion, twelve million, two hundred forty-four thousand, forty-two".