126405366 has 16 divisors (see below), whose sum is σ = 266116800. Its totient is φ = 39917448.

The previous prime is 126405361. The next prime is 126405449. The reversal of 126405366 is 663504621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126405361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 554296 + ... + 554523.

It is an arithmetic number, because the mean of its divisors is an integer number (16632300).

Almost surely, 2^126405366 is an apocalyptic number.

126405366 is an abundant number, since it is smaller than the sum of its proper divisors (139711434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126405366 is a wasteful number, since it uses less digits than its factorization.

126405366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108843.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 126405366 is about 11243.0140976519. The cubic root of 126405366 is about 501.8668424570.

Adding to 126405366 its reverse (663504621), we get a palindrome (789909987).

The spelling of 126405366 in words is "one hundred twenty-six million, four hundred five thousand, three hundred sixty-six".