126994716 has 60 divisors (see below), whose sum is σ = 333562152. Its totient is φ = 42305328.

The previous prime is 126994687. The next prime is 126994717. The reversal of 126994716 is 617499621.

It is a super-2 number, since 2×126994716² = 32255315783841312, which contains 22 as substring.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126994717) 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 19 ways as a sum of consecutive naturals, for example, 77926 + ... + 79538.

Almost surely, 2^126994716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126994716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166781076).

126994716 is an abundant number, since it is smaller than the sum of its proper divisors (206567436).

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

126994716 is an frugal number, since it uses more digits than its factorization.

126994716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644 (or 1618 counting only the distinct ones).

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

The square root of 126994716 is about 11269.1932275563. The cubic root of 126994716 is about 502.6455982636.

The spelling of 126994716 in words is "one hundred twenty-six million, nine hundred ninety-four thousand, seven hundred sixteen".