126500250125 has 32 divisors (see below), whose sum is σ = 166587632640. Its totient is φ = 95712355200.

The previous prime is 126500250059. The next prime is 126500250133. The reversal of 126500250125 is 521052005621.

It is not a de Polignac number, because 126500250125 - 2¹² = 126500246029 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8684 + ... + 503066.

It is an arithmetic number, because the mean of its divisors is an integer number (5205863520).

Almost surely, 2^126500250125 is an apocalyptic number.

It is an amenable number.

126500250125 is a deficient number, since it is larger than the sum of its proper divisors (40087382515).

126500250125 is an equidigital number, since it uses as much as digits as its factorization.

126500250125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494510 (or 494500 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 126500250125 its reverse (521052005621), we get a palindrome (647552255746).

The spelling of 126500250125 in words is "one hundred twenty-six billion, five hundred million, two hundred fifty thousand, one hundred twenty-five".