1047242231 has 8 divisors (see below), whose sum is σ = 1198486944. Its totient is φ = 896407200.

The previous prime is 1047242201. The next prime is 1047242257. The reversal of 1047242231 is 1322427401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1047242231 - 2¹⁸ = 1046980087 is a prime.

It is a super-2 number, since 2×1047242231² = 2193432580779714722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1047242231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047242201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96920 + ... + 107181.

It is an arithmetic number, because the mean of its divisors is an integer number (149810868).

Almost surely, 2^1047242231 is an apocalyptic number.

1047242231 is a deficient number, since it is larger than the sum of its proper divisors (151244713).

1047242231 is an equidigital number, since it uses as much as digits as its factorization.

1047242231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204841.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 1047242231 is about 32361.1222147811. The cubic root of 1047242231 is about 1015.5057396986.

Adding to 1047242231 its reverse (1322427401), we get a palindrome (2369669632).

The spelling of 1047242231 in words is "one billion, forty-seven million, two hundred forty-two thousand, two hundred thirty-one".