1151843 has 12 divisors (see below), whose sum is σ = 1462392. Its totient is φ = 897120.

The previous prime is 1151807. The next prime is 1151861. The reversal of 1151843 is 3481511.

It is not a de Polignac number, because 1151843 - 2⁶ = 1151779 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1151873) 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, 530 + ... + 1607.

It is an arithmetic number, because the mean of its divisors is an integer number (121866).

2^1151843 is an apocalyptic number.

1151843 is a deficient number, since it is larger than the sum of its proper divisors (310549).

1151843 is a wasteful number, since it uses less digits than its factorization.

1151843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2162 (or 2155 counting only the distinct ones).

The product of its digits is 480, while the sum is 23.

The square root of 1151843 is about 1073.2394886511. The cubic root of 1151843 is about 104.8248933252.

The spelling of 1151843 in words is "one million, one hundred fifty-one thousand, eight hundred forty-three".