1142527 has 4 divisors (see below), whose sum is σ = 1202680. Its totient is φ = 1082376.

The previous prime is 1142509. The next prime is 1142539. The reversal of 1142527 is 7252411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1142527 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1142498 and 1142507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30048 + ... + 30085.

It is an arithmetic number, because the mean of its divisors is an integer number (300670).

2^1142527 is an apocalyptic number.

1142527 is a deficient number, since it is larger than the sum of its proper divisors (60153).

1142527 is an equidigital number, since it uses as much as digits as its factorization.

1142527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60152.

The product of its digits is 560, while the sum is 22.

The square root of 1142527 is about 1068.8905463143. The cubic root of 1142527 is about 104.5415232984.

Adding to 1142527 its reverse (7252411), we get a palindrome (8394938).

The spelling of 1142527 in words is "one million, one hundred forty-two thousand, five hundred twenty-seven".