126158065 has 32 divisors (see below), whose sum is σ = 173417472. Its totient is φ = 87264000.

The previous prime is 126158063. The next prime is 126158069. The reversal of 126158065 is 560851621.

It is a happy number.

It is not a de Polignac number, because 126158065 - 2¹ = 126158063 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126158065.

It is not an unprimeable number, because it can be changed into a prime (126158063) 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, 103399 + ... + 104611.

It is an arithmetic number, because the mean of its divisors is an integer number (5419296).

Almost surely, 2^126158065 is an apocalyptic number.

It is an amenable number.

126158065 is a deficient number, since it is larger than the sum of its proper divisors (47259407).

126158065 is a wasteful number, since it uses less digits than its factorization.

126158065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 126158065 is about 11232.0107282712. The cubic root of 126158065 is about 501.5393426516.

The spelling of 126158065 in words is "one hundred twenty-six million, one hundred fifty-eight thousand, sixty-five".