126142061 has 2 divisors, whose sum is σ = 126142062. Its totient is φ = 126142060.

The previous prime is 126142043. The next prime is 126142073. The reversal of 126142061 is 160241621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83814025 + 42328036 = 9155^2 + 6506^2 .

It is a cyclic number.

It is not a de Polignac number, because 126142061 - 2⁶ = 126141997 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126142021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63071030 + 63071031.

It is an arithmetic number, because the mean of its divisors is an integer number (63071031).

Almost surely, 2^126142061 is an apocalyptic number.

It is an amenable number.

126142061 is a deficient number, since it is larger than the sum of its proper divisors (1).

126142061 is an equidigital number, since it uses as much as digits as its factorization.

126142061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 126142061 is about 11231.2982775813. The cubic root of 126142061 is about 501.5181338739.

Adding to 126142061 its reverse (160241621), we get a palindrome (286383682).

The spelling of 126142061 in words is "one hundred twenty-six million, one hundred forty-two thousand, sixty-one".