126672461 has 2 divisors, whose sum is σ = 126672462. Its totient is φ = 126672460.

The previous prime is 126672451. The next prime is 126672517. The reversal of 126672461 is 164276621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113848900 + 12823561 = 10670^2 + 3581^2 .

It is a cyclic number.

It is not a de Polignac number, because 126672461 - 2¹⁴ = 126656077 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 (126672401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63336230 + 63336231.

It is an arithmetic number, because the mean of its divisors is an integer number (63336231).

Almost surely, 2^126672461 is an apocalyptic number.

It is an amenable number.

126672461 is a deficient number, since it is larger than the sum of its proper divisors (1).

126672461 is an equidigital number, since it uses as much as digits as its factorization.

126672461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 35.

The square root of 126672461 is about 11254.8860944925. The cubic root of 126672461 is about 502.2200759361.

The spelling of 126672461 in words is "one hundred twenty-six million, six hundred seventy-two thousand, four hundred sixty-one".