1152271775 has 12 divisors (see below), whose sum is σ = 1439100600. Its totient is φ = 915182880.

The previous prime is 1152271759. The next prime is 1152271807. The reversal of 1152271775 is 5771722511.

It is a happy number.

It is not a de Polignac number, because 1152271775 - 2⁴ = 1152271759 is a prime.

It is a congruent 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, 162320 + ... + 169269.

It is an arithmetic number, because the mean of its divisors is an integer number (119925050).

Almost surely, 2^1152271775 is an apocalyptic number.

1152271775 is a deficient number, since it is larger than the sum of its proper divisors (286828825).

1152271775 is a wasteful number, since it uses less digits than its factorization.

1152271775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331738 (or 331733 counting only the distinct ones).

The product of its digits is 34300, while the sum is 38.

The square root of 1152271775 is about 33945.1288847163. The cubic root of 1152271775 is about 1048.3789877749.

The spelling of 1152271775 in words is "one billion, one hundred fifty-two million, two hundred seventy-one thousand, seven hundred seventy-five".