1133931 has 8 divisors (see below), whose sum is σ = 1516864. Its totient is φ = 753480.

The previous prime is 1133911. The next prime is 1133933. The reversal of 1133931 is 1393311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1133931 - 2¹¹ = 1131883 is a prime.

It is a super-2 number, since 2×1133931² = 2571599025522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1133898 and 1133907.

It is not an unprimeable number, because it can be changed into a prime (1133933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1296 + ... + 1986.

It is an arithmetic number, because the mean of its divisors is an integer number (189608).

2^1133931 is an apocalyptic number.

1133931 is a deficient number, since it is larger than the sum of its proper divisors (382933).

1133931 is an equidigital number, since it uses as much as digits as its factorization.

1133931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241.

The product of its digits is 243, while the sum is 21.

The square root of 1133931 is about 1064.8619628853. The cubic root of 1133931 is about 104.2786842610.

The spelling of 1133931 in words is "one million, one hundred thirty-three thousand, nine hundred thirty-one".