2127401 has 2 divisors, whose sum is σ = 2127402. Its totient is φ = 2127400.

The previous prime is 2127383. The next prime is 2127409. The reversal of 2127401 is 1047212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1525225 + 602176 = 1235^2 + 776^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2127401 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2127401.

It is not a weakly prime, because it can be changed into another prime (2127409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1063700 + 1063701.

It is an arithmetic number, because the mean of its divisors is an integer number (1063701).

2^2127401 is an apocalyptic number.

It is an amenable number.

2127401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2127401 is an equidigital number, since it uses as much as digits as its factorization.

2127401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 2127401 is about 1458.5612774237. The cubic root of 2127401 is about 128.6124820693.

The spelling of 2127401 in words is "two million, one hundred twenty-seven thousand, four hundred one".