1131370 has 16 divisors (see below), whose sum is σ = 2125440. Its totient is φ = 432784.

The previous prime is 1131353. The next prime is 1131379. The reversal of 1131370 is 731311.

It is a happy number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (1131379) 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, 2230 + ... + 2689.

It is an arithmetic number, because the mean of its divisors is an integer number (132840).

2^1131370 is an apocalyptic number.

1131370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131370 is a deficient number, since it is larger than the sum of its proper divisors (994070).

1131370 is a wasteful number, since it uses less digits than its factorization.

1131370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4949.

The product of its (nonzero) digits is 63, while the sum is 16.

The square root of 1131370 is about 1063.6587798726. The cubic root of 1131370 is about 104.2001200996.

Adding to 1131370 its reverse (731311), we get a palindrome (1862681).

The spelling of 1131370 in words is "one million, one hundred thirty-one thousand, three hundred seventy".