126437425 has 6 divisors (see below), whose sum is σ = 156782438. Its totient is φ = 101149920.

The previous prime is 126437407. The next prime is 126437471. The reversal of 126437425 is 524734621.

It can be written as a sum of positive squares in 3 ways, for example, as 11669056 + 114768369 = 3416^2 + 10713^2 .

It is not a de Polignac number, because 126437425 - 2⁵ = 126437393 is a prime.

It is a Duffinian 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 5 ways as a sum of consecutive naturals, for example, 2528724 + ... + 2528773.

Almost surely, 2^126437425 is an apocalyptic number.

It is an amenable number.

126437425 is a deficient number, since it is larger than the sum of its proper divisors (30345013).

126437425 is an equidigital number, since it uses as much as digits as its factorization.

126437425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5057507 (or 5057502 counting only the distinct ones).

The product of its digits is 40320, while the sum is 34.

The square root of 126437425 is about 11244.4397370434. The cubic root of 126437425 is about 501.9092667875.

The spelling of 126437425 in words is "one hundred twenty-six million, four hundred thirty-seven thousand, four hundred twenty-five".