1149750000 has 420 divisors, whose sum is σ = 4659627856. Its totient is φ = 259200000.

The previous prime is 1149749987. The next prime is 1149750011. The reversal of 1149750000 is 579411.

It is a tau number, because it is divible by the number of its divisors (420).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 15749964 + ... + 15750036.

Almost surely, 2^1149750000 is an apocalyptic number.

1149750000 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 1149750000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2329813928).

1149750000 is an abundant number, since it is smaller than the sum of its proper divisors (3509877856).

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

1149750000 is an frugal number, since it uses more digits than its factorization.

1149750000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 1149750000 is about 33907.9636663719. The cubic root of 1149750000 is about 1047.6136281367.

The spelling of 1149750000 in words is "one billion, one hundred forty-nine million, seven hundred fifty thousand".