126516445 has 32 divisors (see below), whose sum is σ = 174680064. Its totient is φ = 87067200.

The previous prime is 126516443. The next prime is 126516451. The reversal of 126516445 is 544615621.

It is not a de Polignac number, because 126516445 - 2¹ = 126516443 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126516445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126516443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129810 + ... + 130780.

It is an arithmetic number, because the mean of its divisors is an integer number (5458752).

Almost surely, 2^126516445 is an apocalyptic number.

It is an amenable number.

126516445 is a deficient number, since it is larger than the sum of its proper divisors (48163619).

126516445 is a wasteful number, since it uses less digits than its factorization.

126516445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113.

The product of its digits is 28800, while the sum is 34.

The square root of 126516445 is about 11247.9529248659. The cubic root of 126516445 is about 502.0138049568.

The spelling of 126516445 in words is "one hundred twenty-six million, five hundred sixteen thousand, four hundred forty-five".