1167140825 has 12 divisors (see below), whose sum is σ = 1474562988. Its totient is φ = 916094400.

The previous prime is 1167140783. The next prime is 1167140827. The reversal of 1167140825 is 5280417611.

It can be written as a sum of positive squares in 6 ways, for example, as 11888704 + 1155252121 = 3448^2 + 33989^2 .

It is not a de Polignac number, because 1167140825 - 2⁶ = 1167140761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1167140827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 439106 + ... + 441755.

It is an arithmetic number, because the mean of its divisors is an integer number (122880249).

Almost surely, 2^1167140825 is an apocalyptic number.

It is an amenable number.

1167140825 is a deficient number, since it is larger than the sum of its proper divisors (307422163).

1167140825 is an equidigital number, since it uses as much as digits as its factorization.

1167140825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880924 (or 880919 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 1167140825 is about 34163.4428153838. The cubic root of 1167140825 is about 1052.8691971757.

The spelling of 1167140825 in words is "one billion, one hundred sixty-seven million, one hundred forty thousand, eight hundred twenty-five".