126396525 has 24 divisors (see below), whose sum is σ = 209299104. Its totient is φ = 67307200.

The previous prime is 126396521. The next prime is 126396533. The reversal of 126396525 is 525693621.

It is not a de Polignac number, because 126396525 - 2² = 126396521 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126396521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87862 + ... + 89288.

It is an arithmetic number, because the mean of its divisors is an integer number (8720796).

Almost surely, 2^126396525 is an apocalyptic number.

126396525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126396525 is a deficient number, since it is larger than the sum of its proper divisors (82902579).

126396525 is a wasteful number, since it uses less digits than its factorization.

126396525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2621 (or 2616 counting only the distinct ones).

The product of its digits is 97200, while the sum is 39.

The square root of 126396525 is about 11242.6209132924. The cubic root of 126396525 is about 501.8551417190.

The spelling of 126396525 in words is "one hundred twenty-six million, three hundred ninety-six thousand, five hundred twenty-five".