1167129448 has 8 divisors (see below), whose sum is σ = 2188367730. Its totient is φ = 583564720.

The previous prime is 1167129421. The next prime is 1167129487. The reversal of 1167129448 is 8449217611.

It can be written as a sum of positive squares in only one way, i.e., 741037284 + 426092164 = 27222^2 + 20642^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1167129448² = 2724382296777569408, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72945583 + ... + 72945598.

Almost surely, 2^1167129448 is an apocalyptic number.

It is an amenable number.

1167129448 is a deficient number, since it is larger than the sum of its proper divisors (1021238282).

1167129448 is a wasteful number, since it uses less digits than its factorization.

1167129448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145891187 (or 145891183 counting only the distinct ones).

The product of its digits is 96768, while the sum is 43.

The square root of 1167129448 is about 34163.2763065839. The cubic root of 1167129448 is about 1052.8657761285.

The spelling of 1167129448 in words is "one billion, one hundred sixty-seven million, one hundred twenty-nine thousand, four hundred forty-eight".