126210047 has 2 divisors, whose sum is σ = 126210048. Its totient is φ = 126210046.

The previous prime is 126210041. The next prime is 126210053. The reversal of 126210047 is 740012621.

It is a balanced prime because it is at equal distance from previous prime (126210041) and next prime (126210053).

It is an emirp because it is prime and its reverse (740012621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126210047 - 2⁶ = 126209983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126210041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63105023 + 63105024.

It is an arithmetic number, because the mean of its divisors is an integer number (63105024).

Almost surely, 2^126210047 is an apocalyptic number.

126210047 is a deficient number, since it is larger than the sum of its proper divisors (1).

126210047 is an equidigital number, since it uses as much as digits as its factorization.

126210047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 126210047 is about 11234.3245012773. The cubic root of 126210047 is about 501.6082177256.

Adding to 126210047 its reverse (740012621), we get a palindrome (866222668).

The spelling of 126210047 in words is "one hundred twenty-six million, two hundred ten thousand, forty-seven".