126473447 has 2 divisors, whose sum is σ = 126473448. Its totient is φ = 126473446.

The previous prime is 126473419. The next prime is 126473453. The reversal of 126473447 is 744374621.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126473447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126473447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126473467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63236723 + 63236724.

It is an arithmetic number, because the mean of its divisors is an integer number (63236724).

Almost surely, 2^126473447 is an apocalyptic number.

126473447 is a deficient number, since it is larger than the sum of its proper divisors (1).

126473447 is an equidigital number, since it uses as much as digits as its factorization.

126473447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896, while the sum is 38.

The square root of 126473447 is about 11246.0413924189. The cubic root of 126473447 is about 501.9569268821.

The spelling of 126473447 in words is "one hundred twenty-six million, four hundred seventy-three thousand, four hundred forty-seven".