1056356 has 24 divisors (see below), whose sum is σ = 2182656. Its totient is φ = 437760.

The previous prime is 1056353. The next prime is 1056361. The reversal of 1056356 is 6536501.

It is a super-2 number, since 2×1056356² = 2231775997472, which contains 22 as substring.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1056353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260 + ... + 1476.

It is an arithmetic number, because the mean of its divisors is an integer number (90944).

2^1056356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1056356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1091328).

1056356 is an abundant number, since it is smaller than the sum of its proper divisors (1126300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1056356 is a wasteful number, since it uses less digits than its factorization.

1056356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259 (or 1257 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 1056356 is about 1027.7918077120. The cubic root of 1056356 is about 101.8443094474.

The spelling of 1056356 in words is "one million, fifty-six thousand, three hundred fifty-six".