1042434249 has 4 divisors (see below), whose sum is σ = 1389912336. Its totient is φ = 694956164.

The previous prime is 1042434223. The next prime is 1042434257. The reversal of 1042434249 is 9424342401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1042434249 - 2⁷ = 1042434121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1042434209) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 173739039 + ... + 173739044.

It is an arithmetic number, because the mean of its divisors is an integer number (347478084).

Almost surely, 2^1042434249 is an apocalyptic number.

It is an amenable number.

1042434249 is a deficient number, since it is larger than the sum of its proper divisors (347478087).

1042434249 is an equidigital number, since it uses as much as digits as its factorization.

1042434249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347478086.

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 1042434249 is about 32286.7503629585. The cubic root of 1042434249 is about 1013.9492629710.

The spelling of 1042434249 in words is "one billion, forty-two million, four hundred thirty-four thousand, two hundred forty-nine".