2387129 has 8 divisors (see below), whose sum is σ = 2473800. Its totient is φ = 2301696.

The previous prime is 2387117. The next prime is 2387137. The reversal of 2387129 is 9217832.

2387129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 76729 + 2310400 = 277^2 + 1520^2 .

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

It is not a de Polignac number, because 2387129 - 2⁸ = 2386873 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2387095 and 2387104.

It is not an unprimeable number, because it can be changed into a prime (2387149) 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 7 ways as a sum of consecutive naturals, for example, 5297 + ... + 5729.

It is an arithmetic number, because the mean of its divisors is an integer number (309225).

2^2387129 is an apocalyptic number.

It is an amenable number.

2387129 is a deficient number, since it is larger than the sum of its proper divisors (86671).

2387129 is a wasteful number, since it uses less digits than its factorization.

2387129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619.

The product of its digits is 6048, while the sum is 32.

The square root of 2387129 is about 1545.0336565913. The cubic root of 2387129 is about 133.6468200070.

The spelling of 2387129 in words is "two million, three hundred eighty-seven thousand, one hundred twenty-nine".