1131351 has 8 divisors (see below), whose sum is σ = 1624560. Its totient is φ = 696192.

The previous prime is 1131343. The next prime is 1131353. The reversal of 1131351 is 1531311.

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

It is not a de Polignac number, because 1131351 - 2³ = 1131343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1131351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131353) 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, 14466 + ... + 14543.

It is an arithmetic number, because the mean of its divisors is an integer number (203070).

2^1131351 is an apocalyptic number.

1131351 is a deficient number, since it is larger than the sum of its proper divisors (493209).

1131351 is a wasteful number, since it uses less digits than its factorization.

1131351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29025.

The product of its digits is 45, while the sum is 15.

The square root of 1131351 is about 1063.6498483994. The cubic root of 1131351 is about 104.1995367911.

Adding to 1131351 its reverse (1531311), we get a palindrome (2662662).

The spelling of 1131351 in words is "one million, one hundred thirty-one thousand, three hundred fifty-one".