1188426960 has 480 divisors, whose sum is σ = 4846832640. Its totient is φ = 255209472.

The previous prime is 1188426959. The next prime is 1188426971. The reversal of 1188426960 is 696248811.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6869434 + ... + 6869606.

It is an arithmetic number, because the mean of its divisors is an integer number (10097568).

Almost surely, 2^1188426960 is an apocalyptic number.

1188426960 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 1188426960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2423416320).

1188426960 is an abundant number, since it is smaller than the sum of its proper divisors (3658405680).

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

1188426960 is a wasteful number, since it uses less digits than its factorization.

1188426960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 1188426960 is about 34473.5690058340. The cubic root of 1188426960 is about 1059.2313639806.

The spelling of 1188426960 in words is "one billion, one hundred eighty-eight million, four hundred twenty-six thousand, nine hundred sixty".