126970073 has 2 divisors, whose sum is σ = 126970074. Its totient is φ = 126970072.

The previous prime is 126970069. The next prime is 126970087. The reversal of 126970073 is 370079621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125708944 + 1261129 = 11212^2 + 1123^2 .

It is an emirp because it is prime and its reverse (370079621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126970073 - 2² = 126970069 is a prime.

It is a super-2 number, since 2×126970073² = 32242798875250658, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (126978073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63485036 + 63485037.

It is an arithmetic number, because the mean of its divisors is an integer number (63485037).

Almost surely, 2^126970073 is an apocalyptic number.

It is an amenable number.

126970073 is a deficient number, since it is larger than the sum of its proper divisors (1).

126970073 is an equidigital number, since it uses as much as digits as its factorization.

126970073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 126970073 is about 11268.0997954402. The cubic root of 126970073 is about 502.6130837959.

The spelling of 126970073 in words is "one hundred twenty-six million, nine hundred seventy thousand, seventy-three".