2130901 has 2 divisors, whose sum is σ = 2130902. Its totient is φ = 2130900.

The previous prime is 2130857. The next prime is 2130911. The reversal of 2130901 is 1090312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1962801 + 168100 = 1401^2 + 410^2 .

It is a cyclic number.

It is not a de Polignac number, because 2130901 - 2¹³ = 2122709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2130911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065450 + 1065451.

It is an arithmetic number, because the mean of its divisors is an integer number (1065451).

2^2130901 is an apocalyptic number.

It is an amenable number.

2130901 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130901 is an equidigital number, since it uses as much as digits as its factorization.

2130901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 2130901 is about 1459.7605968103. The cubic root of 2130901 is about 128.6829745080.

The spelling of 2130901 in words is "two million, one hundred thirty thousand, nine hundred one".