126144499 has 16 divisors (see below), whose sum is σ = 140307552. Its totient is φ = 112670208.

The previous prime is 126144463. The next prime is 126144503. The reversal of 126144499 is 994441621.

It is a cyclic number.

It is not a de Polignac number, because 126144499 - 2⁷ = 126144371 is a prime.

It is a super-2 number, since 2×126144499² = 31824869255922002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126144449) 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 15 ways as a sum of consecutive naturals, for example, 62169 + ... + 64165.

It is an arithmetic number, because the mean of its divisors is an integer number (8769222).

Almost surely, 2^126144499 is an apocalyptic number.

126144499 is a deficient number, since it is larger than the sum of its proper divisors (14163053).

126144499 is a wasteful number, since it uses less digits than its factorization.

126144499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2166.

The product of its digits is 62208, while the sum is 40.

The square root of 126144499 is about 11231.4068130399. The cubic root of 126144499 is about 501.5213648695.

The spelling of 126144499 in words is "one hundred twenty-six million, one hundred forty-four thousand, four hundred ninety-nine".