126404450 has 24 divisors (see below), whose sum is σ = 237319632. Its totient is φ = 50087120.

The previous prime is 126404441. The next prime is 126404461. The reversal of 126404450 is 54404621.

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 11 ways as a sum of consecutive naturals, for example, 6464 + ... + 17163.

It is an arithmetic number, because the mean of its divisors is an integer number (9888318).

Almost surely, 2^126404450 is an apocalyptic number.

126404450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126404450 is a deficient number, since it is larger than the sum of its proper divisors (110915182).

126404450 is a wasteful number, since it uses less digits than its factorization.

126404450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23746 (or 23741 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 126404450 is about 11242.9733611710. The cubic root of 126404450 is about 501.8656301900.

The spelling of 126404450 in words is "one hundred twenty-six million, four hundred four thousand, four hundred fifty".