7056129 has 4 divisors (see below), whose sum is σ = 9408176. Its totient is φ = 4704084.

The previous prime is 7056121. The next prime is 7056167. The reversal of 7056129 is 9216507.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9216507 = 3 ⋅3072169.

It is not a de Polignac number, because 7056129 - 2³ = 7056121 is a prime.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7056096 and 7056105.

It is not an unprimeable number, because it can be changed into a prime (7056121) 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, 1176019 + ... + 1176024.

It is an arithmetic number, because the mean of its divisors is an integer number (2352044).

Almost surely, 2^7056129 is an apocalyptic number.

It is an amenable number.

7056129 is a deficient number, since it is larger than the sum of its proper divisors (2352047).

7056129 is a wasteful number, since it uses less digits than its factorization.

7056129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2352046.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 7056129 is about 2656.3375162053. The cubic root of 7056129 is about 191.8030478200.

The spelling of 7056129 in words is "seven million, fifty-six thousand, one hundred twenty-nine".