126502554 has 16 divisors (see below), whose sum is σ = 253421280. Its totient is φ = 42098160.

The previous prime is 126502543. The next prime is 126502561. The reversal of 126502554 is 455205621.

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, 13317 + ... + 20744.

It is an arithmetic number, because the mean of its divisors is an integer number (15838830).

Almost surely, 2^126502554 is an apocalyptic number.

126502554 is an abundant number, since it is smaller than the sum of its proper divisors (126918726).

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

126502554 is a wasteful number, since it uses less digits than its factorization.

126502554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34685.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 126502554 is about 11247.3354177778. The cubic root of 126502554 is about 501.9954312479.

The spelling of 126502554 in words is "one hundred twenty-six million, five hundred two thousand, five hundred fifty-four".