126822478325 has 6 divisors (see below), whose sum is σ = 157259873154. Its totient is φ = 101457982640.

The previous prime is 126822478309. The next prime is 126822478327. The reversal of 126822478325 is 523874228621.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 184715281 + 126637763044 = 13591^2 + 355862^2 .

It is not a de Polignac number, because 126822478325 - 2⁴ = 126822478309 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 (126822478327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2536449542 + ... + 2536449591.

It is an arithmetic number, because the mean of its divisors is an integer number (26209978859).

Almost surely, 2^126822478325 is an apocalyptic number.

It is an amenable number.

126822478325 is a deficient number, since it is larger than the sum of its proper divisors (30437394829).

126822478325 is an equidigital number, since it uses as much as digits as its factorization.

126822478325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5072899143 (or 5072899138 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 50.

The spelling of 126822478325 in words is "one hundred twenty-six billion, eight hundred twenty-two million, four hundred seventy-eight thousand, three hundred twenty-five".