1187235130236 has 24 divisors (see below), whose sum is σ = 2837781531984. Its totient is φ = 386092725120.

The previous prime is 1187235130171. The next prime is 1187235130241. The reversal of 1187235130236 is 6320315327811.

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, 1206539275 + ... + 1206540258.

It is an arithmetic number, because the mean of its divisors is an integer number (118240897166).

Almost surely, 2^{1187235130236} is an apocalyptic number.

It is an amenable number.

1187235130236 is an abundant number, since it is smaller than the sum of its proper divisors (1650546401748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1187235130236 is a wasteful number, since it uses less digits than its factorization.

1187235130236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2413079581 (or 2413079579 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 1187235130236 in words is "one trillion, one hundred eighty-seven billion, two hundred thirty-five million, one hundred thirty thousand, two hundred thirty-six".