1075280657 has 6 divisors (see below), whose sum is σ = 1181920194. Its totient is φ = 977527760.

The previous prime is 1075280641. The next prime is 1075280669. The reversal of 1075280657 is 7560825701.

It can be written as a sum of positive squares in only one way, i.e., 1075249681 + 30976 = 32791^2 + 176^2 .

It is not a de Polignac number, because 1075280657 - 2⁴ = 1075280641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1075280627) 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 5 ways as a sum of consecutive naturals, for example, 4443188 + ... + 4443429.

It is an arithmetic number, because the mean of its divisors is an integer number (196986699).

Almost surely, 2^1075280657 is an apocalyptic number.

It is an amenable number.

1075280657 is a deficient number, since it is larger than the sum of its proper divisors (106639537).

1075280657 is an equidigital number, since it uses as much as digits as its factorization.

1075280657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8886639 (or 8886628 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 41.

The square root of 1075280657 is about 32791.4723213216. The cubic root of 1075280657 is about 1024.4889483320.

The spelling of 1075280657 in words is "one billion, seventy-five million, two hundred eighty thousand, six hundred fifty-seven".