142071701 has 2 divisors, whose sum is σ = 142071702. Its totient is φ = 142071700.

The previous prime is 142071697. The next prime is 142071719. The reversal of 142071701 is 107170241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139594225 + 2477476 = 11815^2 + 1574^2 .

It is a cyclic number.

It is not a de Polignac number, because 142071701 - 2² = 142071697 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142071731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71035850 + 71035851.

It is an arithmetic number, because the mean of its divisors is an integer number (71035851).

Almost surely, 2^142071701 is an apocalyptic number.

It is an amenable number.

142071701 is a deficient number, since it is larger than the sum of its proper divisors (1).

142071701 is an equidigital number, since it uses as much as digits as its factorization.

142071701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 392, while the sum is 23.

The square root of 142071701 is about 11919.3834152610. The cubic root of 142071701 is about 521.7981400715.

The spelling of 142071701 in words is "one hundred forty-two million, seventy-one thousand, seven hundred one".