2130401 has 16 divisors (see below), whose sum is σ = 2690688. Its totient is φ = 1641600.

The previous prime is 2130391. The next prime is 2130437. The reversal of 2130401 is 1040312.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2130401 - 2¹⁸ = 1868257 is a prime.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (2130461) 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 15 ways as a sum of consecutive naturals, for example, 3446 + ... + 4016.

It is an arithmetic number, because the mean of its divisors is an integer number (168168).

2^2130401 is an apocalyptic number.

It is an amenable number.

2130401 is a deficient number, since it is larger than the sum of its proper divisors (560287).

2130401 is a wasteful number, since it uses less digits than its factorization.

2130401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2130401 is about 1459.5893258037. The cubic root of 2130401 is about 128.6729088879.

Adding to 2130401 its reverse (1040312), we get a palindrome (3170713).

The spelling of 2130401 in words is "two million, one hundred thirty thousand, four hundred one".