2124961 has 2 divisors, whose sum is σ = 2124962. Its totient is φ = 2124960.

The previous prime is 2124953. The next prime is 2124973. The reversal of 2124961 is 1694212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1838736 + 286225 = 1356^2 + 535^2 .

It is a cyclic number.

It is not a de Polignac number, because 2124961 - 2³ = 2124953 is a prime.

It is not a weakly prime, because it can be changed into another prime (2124361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062480 + 1062481.

It is an arithmetic number, because the mean of its divisors is an integer number (1062481).

2^2124961 is an apocalyptic number.

It is an amenable number.

2124961 is a deficient number, since it is larger than the sum of its proper divisors (1).

2124961 is an equidigital number, since it uses as much as digits as its factorization.

2124961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 25.

The square root of 2124961 is about 1457.7245967603. The cubic root of 2124961 is about 128.5632930184.

The spelling of 2124961 in words is "two million, one hundred twenty-four thousand, nine hundred sixty-one".