1057156 has 6 divisors (see below), whose sum is σ = 1850030. Its totient is φ = 528576.

The previous prime is 1057129. The next prime is 1057157. The reversal of 1057156 is 6517501.

It can be written as a sum of positive squares in only one way, i.e., 538756 + 518400 = 734^2 + 720^2 .

It is a super-2 number, since 2×1057156² = 2235157616672, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1057156.

It is not an unprimeable number, because it can be changed into a prime (1057157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132141 + ... + 132148.

2^1057156 is an apocalyptic number.

It is an amenable number.

1057156 is a deficient number, since it is larger than the sum of its proper divisors (792874).

1057156 is a wasteful number, since it uses less digits than its factorization.

1057156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264293 (or 264291 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 1057156 is about 1028.1809179322. The cubic root of 1057156 is about 101.8700125527.

The spelling of 1057156 in words is "one million, fifty-seven thousand, one hundred fifty-six".