1056501 has 6 divisors (see below), whose sum is σ = 1526070. Its totient is φ = 704328.

The previous prime is 1056493. The next prime is 1056509.

1056501 is a `hidden beast` number, since 10 + 5 + 650 + 1 = 666.

1056501 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (1056493) and next prime (1056509).

It can be written as a sum of positive squares in only one way, i.e., 904401 + 152100 = 951^2 + 390^2 .

It is not a de Polignac number, because 1056501 - 2³ = 1056493 is a prime.

It is a super-2 number, since 2×1056501² = 2232388726002, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056509) 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 5 ways as a sum of consecutive naturals, for example, 58686 + ... + 58703.

It is an arithmetic number, because the mean of its divisors is an integer number (254345).

2^1056501 is an apocalyptic number.

It is an amenable number.

1056501 is a deficient number, since it is larger than the sum of its proper divisors (469569).

1056501 is a wasteful number, since it uses less digits than its factorization.

1056501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117395 (or 117392 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 1056501 is about 1027.8623448692. The cubic root of 1056501 is about 101.8489690979.

The spelling of 1056501 in words is "one million, fifty-six thousand, five hundred one".