1036920842 has 4 divisors (see below), whose sum is σ = 1555381266. Its totient is φ = 518460420.

The previous prime is 1036920809. The next prime is 1036920853. The reversal of 1036920842 is 2480296301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2480296301 = 7 ⋅354328043.

It can be written as a sum of positive squares in only one way, i.e., 1033043881 + 3876961 = 32141^2 + 1969^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 259230209 + ... + 259230212.

Almost surely, 2^1036920842 is an apocalyptic number.

1036920842 is a deficient number, since it is larger than the sum of its proper divisors (518460424).

1036920842 is an equidigital number, since it uses as much as digits as its factorization.

1036920842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518460423.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 1036920842 is about 32201.2552860909. The cubic root of 1036920842 is about 1012.1585186285.

The spelling of 1036920842 in words is "one billion, thirty-six million, nine hundred twenty thousand, eight hundred forty-two".