1012442042 has 4 divisors (see below), whose sum is σ = 1518663066. Its totient is φ = 506221020.

The previous prime is 1012442033. The next prime is 1012442111. The reversal of 1012442042 is 2402442101.

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., 935686921 + 76755121 = 30589^2 + 8761^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253110509 + ... + 253110512.

Almost surely, 2^1012442042 is an apocalyptic number.

1012442042 is a deficient number, since it is larger than the sum of its proper divisors (506221024).

1012442042 is an equidigital number, since it uses as much as digits as its factorization.

1012442042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506221023.

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

The square root of 1012442042 is about 31818.8944182541. The cubic root of 1012442042 is about 1004.1302647602.

Adding to 1012442042 its reverse (2402442101), we get a palindrome (3414884143).

The spelling of 1012442042 in words is "one billion, twelve million, four hundred forty-two thousand, forty-two".