126064791 has 24 divisors (see below), whose sum is σ = 196363440. Its totient is φ = 77673600.

The previous prime is 126064781. The next prime is 126064801. The reversal of 126064791 is 197460621.

126064791 is a `hidden beast` number, since 1 + 2 + 6 + 0 + 647 + 9 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (126064781) and next prime (126064801).

It is not a de Polignac number, because 126064791 - 2⁶ = 126064727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126064751) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1980 + ... + 16001.

It is an arithmetic number, because the mean of its divisors is an integer number (8181810).

Almost surely, 2^126064791 is an apocalyptic number.

126064791 is a deficient number, since it is larger than the sum of its proper divisors (70298649).

126064791 is a wasteful number, since it uses less digits than its factorization.

126064791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18047 (or 18044 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 126064791 is about 11227.8578099297. The cubic root of 126064791 is about 501.4157090857.

The spelling of 126064791 in words is "one hundred twenty-six million, sixty-four thousand, seven hundred ninety-one".