1042200431 has 4 divisors (see below), whose sum is σ = 1042389192. Its totient is φ = 1042011672.

The previous prime is 1042200371. The next prime is 1042200451. The reversal of 1042200431 is 1340022401.

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

It is a cyclic number.

It is not a de Polignac number, because 1042200431 - 2¹⁰ = 1042199407 is a prime.

It is a super-2 number, since 2×1042200431² = 2172363476753171522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042200451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85841 + ... + 97226.

It is an arithmetic number, because the mean of its divisors is an integer number (260597298).

Almost surely, 2^1042200431 is an apocalyptic number.

1042200431 is a deficient number, since it is larger than the sum of its proper divisors (188761).

1042200431 is an equidigital number, since it uses as much as digits as its factorization.

1042200431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188760.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1042200431 is about 32283.1292008690. The cubic root of 1042200431 is about 1013.8734476964.

Adding to 1042200431 its reverse (1340022401), we get a palindrome (2382222832).

The spelling of 1042200431 in words is "one billion, forty-two million, two hundred thousand, four hundred thirty-one".