1131954 has 16 divisors (see below), whose sum is σ = 2292192. Its totient is φ = 372608.

The previous prime is 1131943. The next prime is 1131959. The reversal of 1131954 is 4591311.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 639 + ... + 1634.

It is an arithmetic number, because the mean of its divisors is an integer number (143262).

2^1131954 is an apocalyptic number.

1131954 is an abundant number, since it is smaller than the sum of its proper divisors (1160238).

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

1131954 is a wasteful number, since it uses less digits than its factorization.

1131954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2361.

The product of its digits is 540, while the sum is 24.

The square root of 1131954 is about 1063.9332685841. The cubic root of 1131954 is about 104.2180459779.

The spelling of 1131954 in words is "one million, one hundred thirty-one thousand, nine hundred fifty-four".