126481810 has 64 divisors (see below), whose sum is σ = 282610944. Its totient is φ = 39686400.

The previous prime is 126481793. The next prime is 126481913. The reversal of 126481810 is 18184621.

It is a super-3 number, since 3×126481810³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118680 + ... + 119740.

It is an arithmetic number, because the mean of its divisors is an integer number (4415796).

Almost surely, 2^126481810 is an apocalyptic number.

126481810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126481810 is an abundant number, since it is smaller than the sum of its proper divisors (156129134).

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

126481810 is a wasteful number, since it uses less digits than its factorization.

126481810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219.

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 126481810 is about 11246.4132059959. The cubic root of 126481810 is about 501.9679905305.

The spelling of 126481810 in words is "one hundred twenty-six million, four hundred eighty-one thousand, eight hundred ten".