126025369 has 4 divisors (see below), whose sum is σ = 133438644. Its totient is φ = 118612096.

The previous prime is 126025337. The next prime is 126025391. The reversal of 126025369 is 963520621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 91450969 + 34574400 = 9563^2 + 5880^2 .

It is a cyclic number.

It is not a de Polignac number, because 126025369 - 2⁵ = 126025337 is a prime.

It is a super-2 number, since 2×126025369² = 31764787263172322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126025469) 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, 3706612 + ... + 3706645.

It is an arithmetic number, because the mean of its divisors is an integer number (33359661).

Almost surely, 2^126025369 is an apocalyptic number.

It is an amenable number.

126025369 is a deficient number, since it is larger than the sum of its proper divisors (7413275).

126025369 is an equidigital number, since it uses as much as digits as its factorization.

126025369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7413274.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 126025369 is about 11226.1021285217. The cubic root of 126025369 is about 501.3634373643.

It can be divided in two parts, 12602 and 5369, that added together give a palindrome (17971).

The spelling of 126025369 in words is "one hundred twenty-six million, twenty-five thousand, three hundred sixty-nine".