126994176 has 144 divisors (see below), whose sum is σ = 395718400. Its totient is φ = 40061952.

The previous prime is 126994169. The next prime is 126994187. The reversal of 126994176 is 671499621.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×126994176² = 32255041475837952, 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 (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130845 + ... + 131811.

Almost surely, 2^126994176 is an apocalyptic number.

126994176 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126994176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197859200).

126994176 is an abundant number, since it is smaller than the sum of its proper divisors (268724224).

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

126994176 is an equidigital number, since it uses as much as digits as its factorization.

126994176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011 (or 991 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 126994176 is about 11269.1692684066. The cubic root of 126994176 is about 502.6448858219.

Subtracting 126994176 from its reverse (671499621), we obtain a palindrome (544505445).

The spelling of 126994176 in words is "one hundred twenty-six million, nine hundred ninety-four thousand, one hundred seventy-six".