1075843231 has 8 divisors (see below), whose sum is σ = 1083124944. Its totient is φ = 1068574080.

The previous prime is 1075843211. The next prime is 1075843243. The reversal of 1075843231 is 1323485701.

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

It is a 7-Lehmer number, since φ(1075843231) divides (1075843231-1)⁷.

It is a cyclic number.

It is not a de Polignac number, because 1075843231 - 2⁷ = 1075843103 is a prime.

It is a super-2 number, since 2×1075843231² = 2314877315377038722, 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 (1075843211) 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, 220935 + ... + 225751.

It is an arithmetic number, because the mean of its divisors is an integer number (135390618).

It is the magic constant of a 1291 × 1291 magic square.

Almost surely, 2^1075843231 is an apocalyptic number.

1075843231 is a deficient number, since it is larger than the sum of its proper divisors (7281713).

1075843231 is a wasteful number, since it uses less digits than its factorization.

1075843231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6281.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 1075843231 is about 32800.0492530118. The cubic root of 1075843231 is about 1024.6675839771.

The spelling of 1075843231 in words is "one billion, seventy-five million, eight hundred forty-three thousand, two hundred thirty-one".