1149880188 has 12 divisors (see below), whose sum is σ = 2683053800. Its totient is φ = 383293392.

The previous prime is 1149880181. The next prime is 1149880213. The reversal of 1149880188 is 8810889411.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149880181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47911663 + ... + 47911686.

Almost surely, 2^1149880188 is an apocalyptic number.

It is an amenable number.

1149880188 is an abundant number, since it is smaller than the sum of its proper divisors (1533173612).

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

1149880188 is a wasteful number, since it uses less digits than its factorization.

1149880188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95823356 (or 95823354 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 48.

The square root of 1149880188 is about 33909.8833380476. The cubic root of 1149880188 is about 1047.6531676237.

The spelling of 1149880188 in words is "one billion, one hundred forty-nine million, eight hundred eighty thousand, one hundred eighty-eight".