126320455 has 48 divisors (see below), whose sum is σ = 175063680. Its totient is φ = 87187968.

The previous prime is 126320429. The next prime is 126320503. The reversal of 126320455 is 554023621.

It is not a de Polignac number, because 126320455 - 2⁹ = 126319943 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1180512 + ... + 1180618.

It is an arithmetic number, because the mean of its divisors is an integer number (3647160).

Almost surely, 2^126320455 is an apocalyptic number.

126320455 is a deficient number, since it is larger than the sum of its proper divisors (48743225).

126320455 is a wasteful number, since it uses less digits than its factorization.

126320455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 126320455 is about 11239.2372961870. The cubic root of 126320455 is about 501.7544433235.

The spelling of 126320455 in words is "one hundred twenty-six million, three hundred twenty thousand, four hundred fifty-five".