1188374058 has 64 divisors (see below), whose sum is σ = 2714342400. Its totient is φ = 385182000.

The previous prime is 1188374027. The next prime is 1188374059. The reversal of 1188374058 is 8504738811.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1188374059) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 581803 + ... + 583841.

It is an arithmetic number, because the mean of its divisors is an integer number (42411600).

Almost surely, 2^1188374058 is an apocalyptic number.

1188374058 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1188374058, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1357171200).

1188374058 is an abundant number, since it is smaller than the sum of its proper divisors (1525968342).

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

1188374058 is a wasteful number, since it uses less digits than its factorization.

1188374058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2344 (or 2338 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The square root of 1188374058 is about 34472.8017138149. The cubic root of 1188374058 is about 1059.2156467648.

The spelling of 1188374058 in words is "one billion, one hundred eighty-eight million, three hundred seventy-four thousand, fifty-eight".