126180224 has 16 divisors (see below), whose sum is σ = 251374920. Its totient is φ = 63090048.

The previous prime is 126180221. The next prime is 126180251. The reversal of 126180224 is 422081621.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 126180193 and 126180202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126180221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492764 + ... + 493019.

Almost surely, 2^126180224 is an apocalyptic number.

It is an amenable number.

126180224 is a deficient number, since it is larger than the sum of its proper divisors (125194696).

126180224 is an frugal number, since it uses more digits than its factorization.

126180224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985797 (or 985785 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 126180224 is about 11232.9971067387. The cubic root of 126180224 is about 501.5687051810.

The spelling of 126180224 in words is "one hundred twenty-six million, one hundred eighty thousand, two hundred twenty-four".