1191848552 has 8 divisors (see below), whose sum is σ = 2234716050. Its totient is φ = 595924272.

The previous prime is 1191848531. The next prime is 1191848633. The reversal of 1191848552 is 2558481911.

It can be written as a sum of positive squares in only one way, i.e., 609398596 + 582449956 = 24686^2 + 24134^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74490527 + ... + 74490542.

Almost surely, 2^1191848552 is an apocalyptic number.

It is an amenable number.

1191848552 is a deficient number, since it is larger than the sum of its proper divisors (1042867498).

1191848552 is a wasteful number, since it uses less digits than its factorization.

1191848552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148981075 (or 148981071 counting only the distinct ones).

The product of its digits is 115200, while the sum is 44.

The square root of 1191848552 is about 34523.1596468226. The cubic root of 1191848552 is about 1060.2469319103.

The spelling of 1191848552 in words is "one billion, one hundred ninety-one million, eight hundred forty-eight thousand, five hundred fifty-two".