126773161 has 2 divisors, whose sum is σ = 126773162. Its totient is φ = 126773160.

The previous prime is 126773099. The next prime is 126773219. The reversal of 126773161 is 161377621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126697536 + 75625 = 11256^2 + 275^2 .

It is a cyclic number.

It is not a de Polignac number, because 126773161 - 2²⁵ = 93218729 is a prime.

It is not a weakly prime, because it can be changed into another prime (126773461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63386580 + 63386581.

It is an arithmetic number, because the mean of its divisors is an integer number (63386581).

Almost surely, 2^126773161 is an apocalyptic number.

It is an amenable number.

126773161 is a deficient number, since it is larger than the sum of its proper divisors (1).

126773161 is an equidigital number, since it uses as much as digits as its factorization.

126773161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584, while the sum is 34.

The square root of 126773161 is about 11259.3588183342. The cubic root of 126773161 is about 502.3531229188.

The spelling of 126773161 in words is "one hundred twenty-six million, seven hundred seventy-three thousand, one hundred sixty-one".