126356473 has 2 divisors, whose sum is σ = 126356474. Its totient is φ = 126356472.

The previous prime is 126356449. The next prime is 126356507. The reversal of 126356473 is 374653621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103774969 + 22581504 = 10187^2 + 4752^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126356473 is a prime.

It is not a weakly prime, because it can be changed into another prime (126356173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63178236 + 63178237.

It is an arithmetic number, because the mean of its divisors is an integer number (63178237).

Almost surely, 2^126356473 is an apocalyptic number.

It is an amenable number.

126356473 is a deficient number, since it is larger than the sum of its proper divisors (1).

126356473 is an equidigital number, since it uses as much as digits as its factorization.

126356473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 37.

The square root of 126356473 is about 11240.8395149117. The cubic root of 126356473 is about 501.8021275358.

The spelling of 126356473 in words is "one hundred twenty-six million, three hundred fifty-six thousand, four hundred seventy-three".