126255230401 has 4 divisors (see below), whose sum is σ = 126317827972. Its totient is φ = 126192632832.

The previous prime is 126255230399. The next prime is 126255230417. The reversal of 126255230401 is 104032552621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104032552621 = 421 ⋅247108201.

It can be written as a sum of positive squares in 2 ways, for example, as 61434579600 + 64820650801 = 247860^2 + 254599^2 .

It is a cyclic number.

It is not a de Polignac number, because 126255230401 - 2¹ = 126255230399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126255230441) 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, 31295760 + ... + 31299793.

It is an arithmetic number, because the mean of its divisors is an integer number (31579456993).

Almost surely, 2^126255230401 is an apocalyptic number.

It is an amenable number.

126255230401 is a deficient number, since it is larger than the sum of its proper divisors (62597571).

126255230401 is an equidigital number, since it uses as much as digits as its factorization.

126255230401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62597570.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 126255230401 in words is "one hundred twenty-six billion, two hundred fifty-five million, two hundred thirty thousand, four hundred one".