126204481 has 16 divisors (see below), whose sum is σ = 146361600. Its totient is φ = 107774208.

The previous prime is 126204461. The next prime is 126204497. The reversal of 126204481 is 184402621.

It is a cyclic number.

It is not a de Polignac number, because 126204481 - 2¹⁵ = 126171713 is a prime.

It is a super-2 number, since 2×126204481² = 31855142048958722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126204401) 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 15 ways as a sum of consecutive naturals, for example, 8200 + ... + 17878.

It is an arithmetic number, because the mean of its divisors is an integer number (9147600).

Almost surely, 2^126204481 is an apocalyptic number.

It is an amenable number.

126204481 is a deficient number, since it is larger than the sum of its proper divisors (20157119).

126204481 is a wasteful number, since it uses less digits than its factorization.

126204481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9768.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 126204481 is about 11234.0767755966. The cubic root of 126204481 is about 501.6008437950.

The spelling of 126204481 in words is "one hundred twenty-six million, two hundred four thousand, four hundred eighty-one".