1142015 has 16 divisors (see below), whose sum is σ = 1592832. Its totient is φ = 769824.

The previous prime is 1142003. The next prime is 1142017. The reversal of 1142015 is 5102411.

It is a cyclic number.

It is not a de Polignac number, because 1142015 - 2⁴ = 1141999 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142017) 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, 2102 + ... + 2588.

It is an arithmetic number, because the mean of its divisors is an integer number (99552).

2^1142015 is an apocalyptic number.

1142015 is a deficient number, since it is larger than the sum of its proper divisors (450817).

1142015 is an equidigital number, since it uses as much as digits as its factorization.

1142015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 1142015 is about 1068.6510188083. The cubic root of 1142015 is about 104.5259049199.

Adding to 1142015 its reverse (5102411), we get a palindrome (6244426).

The spelling of 1142015 in words is "one million, one hundred forty-two thousand, fifteen".