126360321 has 32 divisors (see below), whose sum is σ = 181336320. Its totient is φ = 78084864.

The previous prime is 126360307. The next prime is 126360343. The reversal of 126360321 is 123063621.

It is a happy number.

It is not a de Polignac number, because 126360321 - 2⁶ = 126360257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126360291 and 126360300.

It is not an unprimeable number, because it can be changed into a prime (126360121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 398455 + ... + 398771.

It is an arithmetic number, because the mean of its divisors is an integer number (5666760).

Almost surely, 2^126360321 is an apocalyptic number.

It is an amenable number.

126360321 is a deficient number, since it is larger than the sum of its proper divisors (54975999).

126360321 is a wasteful number, since it uses less digits than its factorization.

126360321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 126360321 is about 11241.0106752018. The cubic root of 126360321 is about 501.8072213652.

The spelling of 126360321 in words is "one hundred twenty-six million, three hundred sixty thousand, three hundred twenty-one".