1142315 has 16 divisors (see below), whose sum is σ = 1477440. Its totient is φ = 844800.

The previous prime is 1142311. The next prime is 1142321. The reversal of 1142315 is 5132411.

It is not a de Polignac number, because 1142315 - 2² = 1142311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 1142293 and 1142302.

It is not an unprimeable number, because it can be changed into a prime (1142311) 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 15 ways as a sum of consecutive naturals, for example, 7490 + ... + 7640.

It is an arithmetic number, because the mean of its divisors is an integer number (92340).

2^1142315 is an apocalyptic number.

1142315 is a deficient number, since it is larger than the sum of its proper divisors (335125).

1142315 is a wasteful number, since it uses less digits than its factorization.

1142315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262.

The product of its digits is 120, while the sum is 17.

The square root of 1142315 is about 1068.7913734682. The cubic root of 1142315 is about 104.5350568797.

Adding to 1142315 its reverse (5132411), we get a palindrome (6274726).

The spelling of 1142315 in words is "one million, one hundred forty-two thousand, three hundred fifteen".