126775147 has 2 divisors, whose sum is σ = 126775148. Its totient is φ = 126775146.

The previous prime is 126775123. The next prime is 126775169. The reversal of 126775147 is 741577621.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126775147 - 2¹¹ = 126773099 is a prime.

It is not a weakly prime, because it can be changed into another prime (126775447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63387573 + 63387574.

It is an arithmetic number, because the mean of its divisors is an integer number (63387574).

Almost surely, 2^126775147 is an apocalyptic number.

126775147 is a deficient number, since it is larger than the sum of its proper divisors (1).

126775147 is an equidigital number, since it uses as much as digits as its factorization.

126775147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82320, while the sum is 40.

The square root of 126775147 is about 11259.4470112879. The cubic root of 126775147 is about 502.3557461557.

The spelling of 126775147 in words is "one hundred twenty-six million, seven hundred seventy-five thousand, one hundred forty-seven".