1142316 has 48 divisors (see below), whose sum is σ = 3386880. Its totient is φ = 326160.

The previous prime is 1142311. The next prime is 1142321. The reversal of 1142316 is 6132411.

It is a happy number.

1142316 is a nontrivial binomial coefficient, being equal to C(1512, 2).

It is an interprime number because it is at equal distance from previous prime (1142311) and next prime (1142321).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1142311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1 + ... + 1511.

It is an arithmetic number, because the mean of its divisors is an integer number (70560).

2^1142316 is an apocalyptic number.

1142316 is the 1511-st triangular number and also the 756-th hexagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1142316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1693440).

1142316 is an abundant number, since it is smaller than the sum of its proper divisors (2244564).

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

1142316 is a wasteful number, since it uses less digits than its factorization.

1142316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531 (or 1523 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 1142316 is about 1068.7918412862. The cubic root of 1142316 is about 104.5350873835.

Adding to 1142316 its reverse (6132411), we get a palindrome (7274727).

The spelling of 1142316 in words is "one million, one hundred forty-two thousand, three hundred sixteen".