1152290 has 16 divisors (see below), whose sum is σ = 2109240. Its totient is φ = 453120.

The previous prime is 1152287. The next prime is 1152313. The reversal of 1152290 is 922511.

It can be written as a sum of positive squares in 4 ways, for example, as 588289 + 564001 = 767^2 + 751^2 .

It is an Ulam number.

It is a Curzon number.

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, 335 + ... + 1554.

2^1152290 is an apocalyptic number.

1152290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1152290 is a deficient number, since it is larger than the sum of its proper divisors (956950).

1152290 is a wasteful number, since it uses less digits than its factorization.

1152290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 1152290 is about 1073.4477164725. The cubic root of 1152290 is about 104.8384515003.

The spelling of 1152290 in words is "one million, one hundred fifty-two thousand, two hundred ninety".