126389065 has 8 divisors (see below), whose sum is σ = 165454848. Its totient is φ = 91919280.

The previous prime is 126389027. The next prime is 126389069. The reversal of 126389065 is 560983621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 126389065 - 2⁹ = 126388553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126389069) 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, 1148937 + ... + 1149046.

It is an arithmetic number, because the mean of its divisors is an integer number (20681856).

Almost surely, 2^126389065 is an apocalyptic number.

It is an amenable number.

126389065 is a deficient number, since it is larger than the sum of its proper divisors (39065783).

126389065 is a wasteful number, since it uses less digits than its factorization.

126389065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2297999.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 126389065 is about 11242.2891352251. The cubic root of 126389065 is about 501.8452682592.

The spelling of 126389065 in words is "one hundred twenty-six million, three hundred eighty-nine thousand, sixty-five".