2126801 has 2 divisors, whose sum is σ = 2126802. Its totient is φ = 2126800.

The previous prime is 2126791. The next prime is 2126809. The reversal of 2126801 is 1086212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1488400 + 638401 = 1220^2 + 799^2 .

It is a cyclic number.

It is not a de Polignac number, because 2126801 - 2¹⁸ = 1864657 is a prime.

It is not a weakly prime, because it can be changed into another prime (2126809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1063400 + 1063401.

It is an arithmetic number, because the mean of its divisors is an integer number (1063401).

2^2126801 is an apocalyptic number.

It is an amenable number.

2126801 is a deficient number, since it is larger than the sum of its proper divisors (1).

2126801 is an equidigital number, since it uses as much as digits as its factorization.

2126801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 2126801 is about 1458.3555807827. The cubic root of 2126801 is about 128.6003898897.

The spelling of 2126801 in words is "two million, one hundred twenty-six thousand, eight hundred one".