1142727 has 4 divisors (see below), whose sum is σ = 1523640. Its totient is φ = 761816.

The previous prime is 1142707. The next prime is 1142737. The reversal of 1142727 is 7272411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7272411 = 3 ⋅2424137.

It is a cyclic number.

It is not a de Polignac number, because 1142727 - 2⁷ = 1142599 is a prime.

It is a D-number.

1142727 is a modest number, since divided by 2727 gives 114 as remainder.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 1142697 and 1142706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190452 + ... + 190457.

It is an arithmetic number, because the mean of its divisors is an integer number (380910).

2^1142727 is an apocalyptic number.

1142727 is a deficient number, since it is larger than the sum of its proper divisors (380913).

1142727 is an equidigital number, since it uses as much as digits as its factorization.

1142727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380912.

The product of its digits is 784, while the sum is 24.

The square root of 1142727 is about 1068.9840971689. The cubic root of 1142727 is about 104.5476229601.

The spelling of 1142727 in words is "one million, one hundred forty-two thousand, seven hundred twenty-seven".