126379525 has 6 divisors (see below), whose sum is σ = 156710642. Its totient is φ = 101103600.

The previous prime is 126379523. The next prime is 126379559. The reversal of 126379525 is 525973621.

It can be written as a sum of positive squares in 3 ways, for example, as 20557156 + 105822369 = 4534^2 + 10287^2 .

It is not a de Polignac number, because 126379525 - 2¹ = 126379523 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126379523) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2527566 + ... + 2527615.

Almost surely, 2^126379525 is an apocalyptic number.

It is an amenable number.

126379525 is a deficient number, since it is larger than the sum of its proper divisors (30331117).

126379525 is an equidigital number, since it uses as much as digits as its factorization.

126379525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5055191 (or 5055186 counting only the distinct ones).

The product of its digits is 113400, while the sum is 40.

The square root of 126379525 is about 11241.8648364050. The cubic root of 126379525 is about 501.8326413116.

The spelling of 126379525 in words is "one hundred twenty-six million, three hundred seventy-nine thousand, five hundred twenty-five".