1142262727 has 4 divisors (see below), whose sum is σ = 1142344296. Its totient is φ = 1142181160.

The previous prime is 1142262721. The next prime is 1142262743. The reversal of 1142262727 is 7272622411.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1142262727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1142262692 and 1142262701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142262721) 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, 13849 + ... + 49762.

It is an arithmetic number, because the mean of its divisors is an integer number (285586074).

Almost surely, 2^1142262727 is an apocalyptic number.

1142262727 is a deficient number, since it is larger than the sum of its proper divisors (81569).

1142262727 is an equidigital number, since it uses as much as digits as its factorization.

1142262727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81568.

The product of its digits is 18816, while the sum is 34.

The square root of 1142262727 is about 33797.3775166062. The cubic root of 1142262727 is about 1045.3346232696.

The spelling of 1142262727 in words is "one billion, one hundred forty-two million, two hundred sixty-two thousand, seven hundred twenty-seven".