1167261275 has 12 divisors (see below), whose sum is σ = 1455775872. Its totient is φ = 928407840.

The previous prime is 1167261253. The next prime is 1167261301. The reversal of 1167261275 is 5721627611.

It is not a de Polignac number, because 1167261275 - 2¹⁸ = 1166999131 is a prime.

It is a super-2 number, since 2×1167261275² = 2724997768229251250, which contains 22 as substring.

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, 130619 + ... + 139268.

It is an arithmetic number, because the mean of its divisors is an integer number (121314656).

Almost surely, 2^1167261275 is an apocalyptic number.

1167261275 is a deficient number, since it is larger than the sum of its proper divisors (288514597).

1167261275 is a wasteful number, since it uses less digits than its factorization.

1167261275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270070 (or 270065 counting only the distinct ones).

The product of its digits is 35280, while the sum is 38.

The square root of 1167261275 is about 34165.2056191676. The cubic root of 1167261275 is about 1052.9054149511.

Adding to 1167261275 its reverse (5721627611), we get a palindrome (6888888886).

The spelling of 1167261275 in words is "one billion, one hundred sixty-seven million, two hundred sixty-one thousand, two hundred seventy-five".