126132365 has 4 divisors (see below), whose sum is σ = 151358844. Its totient is φ = 100905888.

The previous prime is 126132341. The next prime is 126132407. The reversal of 126132365 is 563231621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 563231621 = 353 ⋅1595557.

It can be written as a sum of positive squares in 2 ways, for example, as 68326756 + 57805609 = 8266^2 + 7603^2 .

It is a cyclic number.

It is not a de Polignac number, because 126132365 - 2¹² = 126128269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12613232 + ... + 12613241.

It is an arithmetic number, because the mean of its divisors is an integer number (37839711).

Almost surely, 2^126132365 is an apocalyptic number.

It is an amenable number.

126132365 is a deficient number, since it is larger than the sum of its proper divisors (25226479).

126132365 is an equidigital number, since it uses as much as digits as its factorization.

126132365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25226478.

The product of its digits is 6480, while the sum is 29.

The square root of 126132365 is about 11230.8666183870. The cubic root of 126132365 is about 501.5052836943.

Adding to 126132365 its reverse (563231621), we get a palindrome (689363986).

The spelling of 126132365 in words is "one hundred twenty-six million, one hundred thirty-two thousand, three hundred sixty-five".