1188119560 has 64 divisors (see below), whose sum is σ = 2793106800. Its totient is φ = 454272000.

The previous prime is 1188119557. The next prime is 1188119563. The reversal of 1188119560 is 659118811.

It is an interprime number because it is at equal distance from previous prime (1188119557) and next prime (1188119563).

It can be written as a sum of positive squares in 8 ways, for example, as 666362596 + 521756964 = 25814^2 + 22842^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (1188119563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112090 + ... + 122230.

Almost surely, 2^1188119560 is an apocalyptic number.

1188119560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1188119560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1396553400).

1188119560 is an abundant number, since it is smaller than the sum of its proper divisors (1604987240).

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

1188119560 is a wasteful number, since it uses less digits than its factorization.

1188119560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10282 (or 10278 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 40.

The square root of 1188119560 is about 34469.1102293053. The cubic root of 1188119560 is about 1059.1400287366.

The spelling of 1188119560 in words is "one billion, one hundred eighty-eight million, one hundred nineteen thousand, five hundred sixty".