126916 has 6 divisors (see below), whose sum is σ = 222110. Its totient is φ = 63456.

The previous prime is 126913. The next prime is 126923. The reversal of 126916 is 619621.

It can be written as a sum of positive squares in only one way, i.e., 125316 + 1600 = 354^2 + 40^2 .

It is a super-2 number, since 2×126916² = 32215342112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126913) by changing a digit.

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 as a sum of consecutive naturals, namely, 15861 + ... + 15868.

2¹²⁶⁹¹⁶ is an apocalyptic number.

It is an amenable number.

126916 is a deficient number, since it is larger than the sum of its proper divisors (95194).

126916 is a wasteful number, since it uses less digits than its factorization.

126916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31733 (or 31731 counting only the distinct ones).

The product of its digits is 648, while the sum is 25.

The square root of 126916 is about 356.2527192879. The cubic root of 126916 is about 50.2541724050.

The spelling of 126916 in words is "one hundred twenty-six thousand, nine hundred sixteen".