1027156 has 12 divisors (see below), whose sum is σ = 1935892. Its totient is φ = 474048.

The previous prime is 1027153. The next prime is 1027163. The reversal of 1027156 is 6517201.

It can be written as a sum of positive squares in 2 ways, for example, as 217156 + 810000 = 466^2 + 900^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1027153) 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 3 ways as a sum of consecutive naturals, for example, 9825 + ... + 9928.

2^1027156 is an apocalyptic number.

It is an amenable number.

1027156 is a deficient number, since it is larger than the sum of its proper divisors (908736).

1027156 is a wasteful number, since it uses less digits than its factorization.

1027156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19770 (or 19768 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 1027156 is about 1013.4870497446. The cubic root of 1027156 is about 100.8971275535.

The spelling of 1027156 in words is "one million, twenty-seven thousand, one hundred fifty-six".