126499216 has 40 divisors (see below), whose sum is σ = 250430400. Its totient is φ = 61885824.

The previous prime is 126499211. The next prime is 126499229. The reversal of 126499216 is 612994621.

It is a super-2 number, since 2×126499216² = 32004103297229312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126499211) 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, 210885 + ... + 211483.

It is an arithmetic number, because the mean of its divisors is an integer number (6260760).

Almost surely, 2^126499216 is an apocalyptic number.

126499216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

126499216 is a deficient number, since it is larger than the sum of its proper divisors (123931184).

126499216 is a wasteful number, since it uses less digits than its factorization.

126499216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871 (or 865 counting only the distinct ones).

The product of its digits is 46656, while the sum is 40.

The square root of 126499216 is about 11247.1870260968. The cubic root of 126499216 is about 501.9910158548.

The spelling of 126499216 in words is "one hundred twenty-six million, four hundred ninety-nine thousand, two hundred sixteen".