126813498 has 64 divisors (see below), whose sum is σ = 301473792. Its totient is φ = 34799040.

The previous prime is 126813469. The next prime is 126813509. The reversal of 126813498 is 894318621.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 224965 + ... + 225527.

It is an arithmetic number, because the mean of its divisors is an integer number (4710528).

Almost surely, 2^126813498 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126813498, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150736896).

126813498 is an abundant number, since it is smaller than the sum of its proper divisors (174660294).

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

126813498 is a wasteful number, since it uses less digits than its factorization.

126813498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779.

The product of its digits is 82944, while the sum is 42.

The square root of 126813498 is about 11261.1499412804. The cubic root of 126813498 is about 502.4063972580.

The spelling of 126813498 in words is "one hundred twenty-six million, eight hundred thirteen thousand, four hundred ninety-eight".