2142061 has 2 divisors, whose sum is σ = 2142062. Its totient is φ = 2142060.

The previous prime is 2142053. The next prime is 2142067. The reversal of 2142061 is 1602412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1485961 + 656100 = 1219^2 + 810^2 .

It is a cyclic number.

It is not a de Polignac number, because 2142061 - 2³ = 2142053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2142067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071030 + 1071031.

It is an arithmetic number, because the mean of its divisors is an integer number (1071031).

2^2142061 is an apocalyptic number.

It is an amenable number.

2142061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142061 is an equidigital number, since it uses as much as digits as its factorization.

2142061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2142061 is about 1463.5781496046. The cubic root of 2142061 is about 128.9072305392.

Adding to 2142061 its reverse (1602412), we get a palindrome (3744473).

The spelling of 2142061 in words is "two million, one hundred forty-two thousand, sixty-one".