126196916 has 24 divisors (see below), whose sum is σ = 239279040. Its totient is φ = 58004352.

The previous prime is 126196909. The next prime is 126196919. The reversal of 126196916 is 619691621.

It is a super-2 number, since 2×126196916² = 31851323215822112, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126196919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18656 + ... + 24503.

It is an arithmetic number, because the mean of its divisors is an integer number (9969960).

Almost surely, 2^126196916 is an apocalyptic number.

It is an amenable number.

126196916 is a deficient number, since it is larger than the sum of its proper divisors (113082124).

126196916 is a wasteful number, since it uses less digits than its factorization.

126196916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43223 (or 43221 counting only the distinct ones).

The product of its digits is 34992, while the sum is 41.

The square root of 126196916 is about 11233.7400717659. The cubic root of 126196916 is about 501.5908212079.

The spelling of 126196916 in words is "one hundred twenty-six million, one hundred ninety-six thousand, nine hundred sixteen".