126009070381 has 2 divisors, whose sum is σ = 126009070382. Its totient is φ = 126009070380.

The previous prime is 126009070367. The next prime is 126009070427. The reversal of 126009070381 is 183070900621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124567349481 + 1441720900 = 352941^2 + 37970^2 .

It is a cyclic number.

It is not a de Polignac number, because 126009070381 - 2¹³ = 126009062189 is a prime.

It is a super-2 number, since 2×126009070381² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 126009070381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126009070361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63004535190 + 63004535191.

It is an arithmetic number, because the mean of its divisors is an integer number (63004535191).

Almost surely, 2^126009070381 is an apocalyptic number.

It is an amenable number.

126009070381 is a deficient number, since it is larger than the sum of its proper divisors (1).

126009070381 is an equidigital number, since it uses as much as digits as its factorization.

126009070381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 37.

The spelling of 126009070381 in words is "one hundred twenty-six billion, nine million, seventy thousand, three hundred eighty-one".