126994518 has 48 divisors (see below), whose sum is σ = 331019520. Its totient is φ = 34373808.

The previous prime is 126994501. The next prime is 126994529. The reversal of 126994518 is 815499621.

126994518 is a `hidden beast` number, since 126 + 9 + 9 + 4 + 518 = 666.

It is a super-2 number, since 2×126994518² = 32255215204104648, which contains 22 as substring.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 24130 + ... + 28917.

It is an arithmetic number, because the mean of its divisors is an integer number (6896240).

Almost surely, 2^126994518 is an apocalyptic number.

126994518 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

126994518 is an abundant number, since it is smaller than the sum of its proper divisors (204025002).

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

126994518 is a wasteful number, since it uses less digits than its factorization.

126994518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53081 (or 53078 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 126994518 is about 11269.1844425406. The cubic root of 126994518 is about 502.6453370352.

The spelling of 126994518 in words is "one hundred twenty-six million, nine hundred ninety-four thousand, five hundred eighteen".