1189048896 has 420 divisors, whose sum is σ = 4260470016. Its totient is φ = 326592000.

The previous prime is 1189048873. The next prime is 1189048921. The reversal of 1189048896 is 6988409811.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 7874421 + ... + 7874571.

Almost surely, 2^1189048896 is an apocalyptic number.

1189048896 is a gapful number since it is divisible by the number (16) 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 1189048896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2130235008).

1189048896 is an abundant number, since it is smaller than the sum of its proper divisors (3071421120).

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

1189048896 is a wasteful number, since it uses less digits than its factorization.

1189048896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 54.

The square root of 1189048896 is about 34482.5883019242. The cubic root of 1189048896 is about 1059.4161065732.

The spelling of 1189048896 in words is "one billion, one hundred eighty-nine million, forty-eight thousand, eight hundred ninety-six".