1012423042 has 4 divisors (see below), whose sum is σ = 1518634566. Its totient is φ = 506211520.

The previous prime is 1012423033. The next prime is 1012423051. The reversal of 1012423042 is 2403242101.

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

It is an interprime number because it is at equal distance from previous prime (1012423033) and next prime (1012423051).

It can be written as a sum of positive squares in only one way, i.e., 836887041 + 175536001 = 28929^2 + 13249^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253105759 + ... + 253105762.

Almost surely, 2^1012423042 is an apocalyptic number.

1012423042 is a deficient number, since it is larger than the sum of its proper divisors (506211524).

1012423042 is an equidigital number, since it uses as much as digits as its factorization.

1012423042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506211523.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1012423042 is about 31818.5958521114. The cubic root of 1012423042 is about 1004.1239833819.

Adding to 1012423042 its reverse (2403242101), we get a palindrome (3415665143).

The spelling of 1012423042 in words is "one billion, twelve million, four hundred twenty-three thousand, forty-two".