126216392 has 32 divisors (see below), whose sum is σ = 249933600. Its totient is φ = 59589504.

The previous prime is 126216371. The next prime is 126216413. The reversal of 126216392 is 293612621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (126216371) and next prime (126216413).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51548 + ... + 53940.

It is an arithmetic number, because the mean of its divisors is an integer number (7810425).

Almost surely, 2^126216392 is an apocalyptic number.

It is an amenable number.

126216392 is a deficient number, since it is larger than the sum of its proper divisors (123717208).

126216392 is a wasteful number, since it uses less digits than its factorization.

126216392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2765 (or 2761 counting only the distinct ones).

The product of its digits is 7776, while the sum is 32.

The square root of 126216392 is about 11234.6068912090. The cubic root of 126216392 is about 501.6166234241.

The spelling of 126216392 in words is "one hundred twenty-six million, two hundred sixteen thousand, three hundred ninety-two".