126030045 has 16 divisors (see below), whose sum is σ = 201801600. Its totient is φ = 67164864.

The previous prime is 126030031. The next prime is 126030067. The reversal of 126030045 is 540030621.

It is a happy number.

It is not a de Polignac number, because 126030045 - 2¹⁴ = 126013661 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 25431 + ... + 29979.

It is an arithmetic number, because the mean of its divisors is an integer number (12612600).

Almost surely, 2^126030045 is an apocalyptic number.

126030045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126030045 is a deficient number, since it is larger than the sum of its proper divisors (75771555).

126030045 is a wasteful number, since it uses less digits than its factorization.

126030045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6404.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 126030045 is about 11226.3103912194. The cubic root of 126030045 is about 501.3696380906.

Adding to 126030045 its reverse (540030621), we get a palindrome (666060666).

The spelling of 126030045 in words is "one hundred twenty-six million, thirty thousand, forty-five".