2520129 has 16 divisors (see below), whose sum is σ = 3528000. Its totient is φ = 1598016.

The previous prime is 2520127. The next prime is 2520139. The reversal of 2520129 is 9210252.

It is not a de Polignac number, because 2520129 - 2¹ = 2520127 is a prime.

It is an Ulam number.

2520129 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2520121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7047 + ... + 7395.

It is an arithmetic number, because the mean of its divisors is an integer number (220500).

2^2520129 is an apocalyptic number.

2520129 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2520129 is a deficient number, since it is larger than the sum of its proper divisors (1007871).

2520129 is a wasteful number, since it uses less digits than its factorization.

2520129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2520129 is about 1587.4914172996. The cubic root of 2520129 is about 136.0841643109.

The spelling of 2520129 in words is "two million, five hundred twenty thousand, one hundred twenty-nine".