1151590 has 48 divisors (see below), whose sum is σ = 2468880. Its totient is φ = 383040.

The previous prime is 1151581. The next prime is 1151593. The reversal of 1151590 is 951511.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151593) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39696 + ... + 39724.

It is an arithmetic number, because the mean of its divisors is an integer number (51435).

2^1151590 is an apocalyptic number.

1151590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1151590 is an abundant number, since it is smaller than the sum of its proper divisors (1317290).

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

1151590 is a wasteful number, since it uses less digits than its factorization.

1151590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 22.

The square root of 1151590 is about 1073.1216147297. The cubic root of 1151590 is about 104.8172179041.

The spelling of 1151590 in words is "one million, one hundred fifty-one thousand, five hundred ninety".