1161377132 has 6 divisors (see below), whose sum is σ = 2032409988. Its totient is φ = 580688564.

The previous prime is 1161377101. The next prime is 1161377159. The reversal of 1161377132 is 2317731611.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145172138 + ... + 145172145.

It is an arithmetic number, because the mean of its divisors is an integer number (338734998).

Almost surely, 2^1161377132 is an apocalyptic number.

It is an amenable number.

1161377132 is a deficient number, since it is larger than the sum of its proper divisors (871032856).

1161377132 is a wasteful number, since it uses less digits than its factorization.

1161377132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290344287 (or 290344285 counting only the distinct ones).

The product of its digits is 5292, while the sum is 32.

The square root of 1161377132 is about 34078.9837289788. The cubic root of 1161377132 is about 1051.1332079938.

The spelling of 1161377132 in words is "one billion, one hundred sixty-one million, three hundred seventy-seven thousand, one hundred thirty-two".