2628129 has 8 divisors (see below), whose sum is σ = 4004800. Its totient is φ = 1501776.

The previous prime is 2628127. The next prime is 2628133. The reversal of 2628129 is 9218262.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2628129 - 2¹ = 2628127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2628096 and 2628105.

It is not an unprimeable number, because it can be changed into a prime (2628127) 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 7 ways as a sum of consecutive naturals, for example, 62554 + ... + 62595.

It is an arithmetic number, because the mean of its divisors is an integer number (500600).

2^2628129 is an apocalyptic number.

It is an amenable number.

2628129 is a deficient number, since it is larger than the sum of its proper divisors (1376671).

2628129 is a wasteful number, since it uses less digits than its factorization.

2628129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125159.

The product of its digits is 3456, while the sum is 30.

The square root of 2628129 is about 1621.1505173796. The cubic root of 2628129 is about 138.0009976823. Note that the first 3 decimals are identical.

The spelling of 2628129 in words is "two million, six hundred twenty-eight thousand, one hundred twenty-nine".