126045513 has 48 divisors (see below), whose sum is σ = 210450240. Its totient is φ = 71971200.

The previous prime is 126045481. The next prime is 126045533. The reversal of 126045513 is 315540621.

126045513 is a `hidden beast` number, since 1 + 2 + 604 + 5 + 51 + 3 = 666.

It is not a de Polignac number, because 126045513 - 2⁵ = 126045481 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (126045533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 122943 + ... + 123963.

It is an arithmetic number, because the mean of its divisors is an integer number (4384380).

Almost surely, 2^126045513 is an apocalyptic number.

It is an amenable number.

126045513 is a deficient number, since it is larger than the sum of its proper divisors (84404727).

126045513 is a wasteful number, since it uses less digits than its factorization.

126045513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110 (or 1107 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 126045513 is about 11226.9992874321. Note that the first 3 decimals coincide. The cubic root of 126045513 is about 501.3901487244.

The spelling of 126045513 in words is "one hundred twenty-six million, forty-five thousand, five hundred thirteen".