1131342 has 16 divisors (see below), whose sum is σ = 2278992. Its totient is φ = 374400.

The previous prime is 1131341. The next prime is 1131343. The reversal of 1131342 is 2431311.

It is an interprime number because it is at equal distance from previous prime (1131341) and next prime (1131343).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131341) 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, 342 + ... + 1542.

It is an arithmetic number, because the mean of its divisors is an integer number (142437).

2^1131342 is an apocalyptic number.

1131342 is an abundant number, since it is smaller than the sum of its proper divisors (1147650).

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

1131342 is a wasteful number, since it uses less digits than its factorization.

1131342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363.

The product of its digits is 72, while the sum is 15.

The square root of 1131342 is about 1063.6456176754. The cubic root of 1131342 is about 104.1992604848.

Adding to 1131342 its reverse (2431311), we get a palindrome (3562653).

The spelling of 1131342 in words is "one million, one hundred thirty-one thousand, three hundred forty-two".