1197155552 has 48 divisors (see below), whose sum is σ = 2384629632. Its totient is φ = 591576960.

The previous prime is 1197155527. The next prime is 1197155567. The reversal of 1197155552 is 2555517911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1454213 + ... + 1455035.

It is an arithmetic number, because the mean of its divisors is an integer number (49679784).

Almost surely, 2^1197155552 is an apocalyptic number.

It is an amenable number.

1197155552 is a deficient number, since it is larger than the sum of its proper divisors (1187474080).

1197155552 is a wasteful number, since it uses less digits than its factorization.

1197155552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311 (or 1303 counting only the distinct ones).

The product of its digits is 78750, while the sum is 41.

The square root of 1197155552 is about 34599.9357224836. The cubic root of 1197155552 is about 1061.8182723818.

The spelling of 1197155552 in words is "one billion, one hundred ninety-seven million, one hundred fifty-five thousand, five hundred fifty-two".