1188019130 has 16 divisors (see below), whose sum is σ = 2139778080. Its totient is φ = 474909072.

The previous prime is 1188019123. The next prime is 1188019139. The reversal of 1188019130 is 319108811.

It is a super-2 number, since 2×1188019130² = 2822778906491913800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1188019139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20240 + ... + 52779.

It is an arithmetic number, because the mean of its divisors is an integer number (133736130).

Almost surely, 2^1188019130 is an apocalyptic number.

1188019130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1188019130 is a deficient number, since it is larger than the sum of its proper divisors (951758950).

1188019130 is a wasteful number, since it uses less digits than its factorization.

1188019130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74653.

The product of its (nonzero) digits is 1728, while the sum is 32.

The square root of 1188019130 is about 34467.6533869076. The cubic root of 1188019130 is about 1059.1101853791.

The spelling of 1188019130 in words is "one billion, one hundred eighty-eight million, nineteen thousand, one hundred thirty".