1056129 has 4 divisors (see below), whose sum is σ = 1408176. Its totient is φ = 704084.

The previous prime is 1056113. The next prime is 1056149. The reversal of 1056129 is 9216501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1056129 - 2⁴ = 1056113 is a prime.

It is a super-2 number, since 2×1056129² = 2230816929282, which contains 22 as substring.

It is a D-number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1056099 and 1056108.

It is not an unprimeable number, because it can be changed into a prime (1056109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176019 + ... + 176024.

It is an arithmetic number, because the mean of its divisors is an integer number (352044).

2^1056129 is an apocalyptic number.

It is an amenable number.

1056129 is a deficient number, since it is larger than the sum of its proper divisors (352047).

1056129 is an equidigital number, since it uses as much as digits as its factorization.

1056129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352046.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 1056129 is about 1027.6813708538. The cubic root of 1056129 is about 101.8370138279.

It can be divided in two parts, 105 and 6129, that multiplied together give a triangular number (643545 = T₁₁₃₄).

The spelling of 1056129 in words is "one million, fifty-six thousand, one hundred twenty-nine".