126306554 has 16 divisors (see below), whose sum is σ = 207367776. Its totient is φ = 57222000.

The previous prime is 126306511. The next prime is 126306559. The reversal of 126306554 is 455603621.

It is a self number, because there is not a number n which added to its sum of digits gives 126306554.

It is not an unprimeable number, because it can be changed into a prime (126306559) 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, 2597 + ... + 16104.

It is an arithmetic number, because the mean of its divisors is an integer number (12960486).

Almost surely, 2^126306554 is an apocalyptic number.

126306554 is a deficient number, since it is larger than the sum of its proper divisors (81061222).

126306554 is a wasteful number, since it uses less digits than its factorization.

126306554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19021.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 126306554 is about 11238.6188653233. The cubic root of 126306554 is about 501.7360373723.

The spelling of 126306554 in words is "one hundred twenty-six million, three hundred six thousand, five hundred fifty-four".