126049810 has 16 divisors (see below), whose sum is σ = 229440600. Its totient is φ = 49853056.

The previous prime is 126049801. The next prime is 126049811. The reversal of 126049810 is 18940621.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 109558089 + 16491721 = 10467^2 + 4061^2 .

It is a super-2 number, since 2×126049810² = 31777109202072200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126049811) by changing a digit.

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, 69925 + ... + 71704.

Almost surely, 2^126049810 is an apocalyptic number.

126049810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126049810 is a deficient number, since it is larger than the sum of its proper divisors (103390790).

126049810 is a wasteful number, since it uses less digits than its factorization.

126049810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141725.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 126049810 is about 11227.1906548344. The cubic root of 126049810 is about 501.3958462669.

The spelling of 126049810 in words is "one hundred twenty-six million, forty-nine thousand, eight hundred ten".