126025647 has 16 divisors (see below), whose sum is σ = 187575168. Its totient is φ = 74602080.

The previous prime is 126025637. The next prime is 126025661. The reversal of 126025647 is 746520621.

It is not a de Polignac number, because 126025647 - 2⁶ = 126025583 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126025637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42988 + ... + 45825.

It is an arithmetic number, because the mean of its divisors is an integer number (11723448).

Almost surely, 2^126025647 is an apocalyptic number.

126025647 is a deficient number, since it is larger than the sum of its proper divisors (61549521).

126025647 is a wasteful number, since it uses less digits than its factorization.

126025647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88870.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 126025647 is about 11226.1145103727. The cubic root of 126025647 is about 501.3638060174.

The spelling of 126025647 in words is "one hundred twenty-six million, twenty-five thousand, six hundred forty-seven".