126400654 has 16 divisors (see below), whose sum is σ = 203348880. Its totient is φ = 58743360.

The previous prime is 126400643. The next prime is 126400667. The reversal of 126400654 is 456004621.

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 7 ways as a sum of consecutive naturals, for example, 29367 + ... + 33394.

It is an arithmetic number, because the mean of its divisors is an integer number (12709305).

Almost surely, 2^126400654 is an apocalyptic number.

126400654 is a deficient number, since it is larger than the sum of its proper divisors (76948226).

126400654 is a wasteful number, since it uses less digits than its factorization.

126400654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62835.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 126400654 is about 11242.8045433513. The cubic root of 126400654 is about 501.8606063664.

The spelling of 126400654 in words is "one hundred twenty-six million, four hundred thousand, six hundred fifty-four".