1081245275 has 12 divisors (see below), whose sum is σ = 1462630344. Its totient is φ = 786360000.

The previous prime is 1081245257. The next prime is 1081245283. The reversal of 1081245275 is 5725421801.

It is a de Polignac number, because none of the positive numbers 2^k-1081245275 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1965626 + ... + 1966175.

It is an arithmetic number, because the mean of its divisors is an integer number (121885862).

Almost surely, 2^1081245275 is an apocalyptic number.

1081245275 is a deficient number, since it is larger than the sum of its proper divisors (381385069).

1081245275 is a wasteful number, since it uses less digits than its factorization.

1081245275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3931822 (or 3931817 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 35.

The square root of 1081245275 is about 32882.2942478167. The cubic root of 1081245275 is about 1026.3797480805.

The spelling of 1081245275 in words is "one billion, eighty-one million, two hundred forty-five thousand, two hundred seventy-five".