1075943231 has 4 divisors (see below), whose sum is σ = 1173756264. Its totient is φ = 978130200.

The previous prime is 1075943221. The next prime is 1075943287. The reversal of 1075943231 is 1323495701.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1075943231 is a prime.

It is a super-2 number, since 2×1075943231² = 2315307672669438722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1075943191 and 1075943200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1075943221) 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, 48906500 + ... + 48906521.

It is an arithmetic number, because the mean of its divisors is an integer number (293439066).

Almost surely, 2^1075943231 is an apocalyptic number.

1075943231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1075943231 is a deficient number, since it is larger than the sum of its proper divisors (97813033).

1075943231 is an equidigital number, since it uses as much as digits as its factorization.

1075943231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97813032.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 1075943231 is about 32801.5736055452. The cubic root of 1075943231 is about 1024.6993307289.

The spelling of 1075943231 in words is "one billion, seventy-five million, nine hundred forty-three thousand, two hundred thirty-one".