126265369 has 4 divisors (see below), whose sum is σ = 128405520. Its totient is φ = 124125220.

The previous prime is 126265357. The next prime is 126265397. The reversal of 126265369 is 963562621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 126265369 - 2¹⁹ = 125741081 is a prime.

It is a super-2 number, since 2×126265369² = 31885886817412322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126265339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1069987 + ... + 1070104.

It is an arithmetic number, because the mean of its divisors is an integer number (32101380).

Almost surely, 2^126265369 is an apocalyptic number.

It is an amenable number.

126265369 is a deficient number, since it is larger than the sum of its proper divisors (2140151).

126265369 is an equidigital number, since it uses as much as digits as its factorization.

126265369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140150.

The product of its digits is 116640, while the sum is 40.

The square root of 126265369 is about 11236.7864178332. The cubic root of 126265369 is about 501.6814974602.

The spelling of 126265369 in words is "one hundred twenty-six million, two hundred sixty-five thousand, three hundred sixty-nine".