1149890 has 16 divisors (see below), whose sum is σ = 2365632. Its totient is φ = 394224.

The previous prime is 1149887. The next prime is 1149901. The reversal of 1149890 is 989411.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8144 + ... + 8283.

It is an arithmetic number, because the mean of its divisors is an integer number (147852).

2^1149890 is an apocalyptic number.

1149890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1149890 is an abundant number, since it is smaller than the sum of its proper divisors (1215742).

1149890 is a wasteful number, since it uses less digits than its factorization.

1149890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16441.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 1149890 is about 1072.3292404854. The cubic root of 1149890 is about 104.7656147512.

The spelling of 1149890 in words is "one million, one hundred forty-nine thousand, eight hundred ninety".