126213065 has 8 divisors (see below), whose sum is σ = 165224448. Its totient is φ = 91791280.

The previous prime is 126213013. The next prime is 126213097. The reversal of 126213065 is 560312621.

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

It is not a de Polignac number, because 126213065 - 2²² = 122018761 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1147337 + ... + 1147446.

It is an arithmetic number, because the mean of its divisors is an integer number (20653056).

Almost surely, 2^126213065 is an apocalyptic number.

It is an amenable number.

126213065 is a deficient number, since it is larger than the sum of its proper divisors (39011383).

126213065 is a wasteful number, since it uses less digits than its factorization.

126213065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2294799.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 126213065 is about 11234.4588209669. The cubic root of 126213065 is about 501.6122159322.

Adding to 126213065 its reverse (560312621), we get a palindrome (686525686).

The spelling of 126213065 in words is "one hundred twenty-six million, two hundred thirteen thousand, sixty-five".