126522447 has 16 divisors (see below), whose sum is σ = 175687680. Its totient is φ = 80892000.

The previous prime is 126522443. The next prime is 126522457. The reversal of 126522447 is 744225621.

It is not a de Polignac number, because 126522447 - 2² = 126522443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126522443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8322 + ... + 17952.

It is an arithmetic number, because the mean of its divisors is an integer number (10980480).

Almost surely, 2^126522447 is an apocalyptic number.

126522447 is a deficient number, since it is larger than the sum of its proper divisors (49165233).

126522447 is a wasteful number, since it uses less digits than its factorization.

126522447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9814.

The product of its digits is 26880, while the sum is 33.

The square root of 126522447 is about 11248.2197258055. The cubic root of 126522447 is about 502.0217434220.

The spelling of 126522447 in words is "one hundred twenty-six million, five hundred twenty-two thousand, four hundred forty-seven".