1149900 has 36 divisors (see below), whose sum is σ = 3327912. Its totient is φ = 306560.

The previous prime is 1149887. The next prime is 1149901. The reversal of 1149900 is 99411.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1149901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1617 + ... + 2216.

It is an arithmetic number, because the mean of its divisors is an integer number (92442).

2^1149900 is an apocalyptic number.

1149900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1149900 is an abundant number, since it is smaller than the sum of its proper divisors (2178012).

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

1149900 is a wasteful number, since it uses less digits than its factorization.

1149900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3850 (or 3843 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 1149900 is about 1072.3339032223. Note that the first 3 decimals coincide. The cubic root of 1149900 is about 104.7659184478.

The spelling of 1149900 in words is "one million, one hundred forty-nine thousand, nine hundred".