126720725314 has 4 divisors (see below), whose sum is σ = 190081087974. Its totient is φ = 63360362656.

The previous prime is 126720725291. The next prime is 126720725333. The reversal of 126720725314 is 413527027621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 413527027621 = 84407 ⋅4899203.

It can be written as a sum of positive squares in only one way, i.e., 88525886089 + 38194839225 = 297533^2 + 195435^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31680181327 + ... + 31680181330.

Almost surely, 2^126720725314 is an apocalyptic number.

126720725314 is a deficient number, since it is larger than the sum of its proper divisors (63360362660).

126720725314 is an equidigital number, since it uses as much as digits as its factorization.

126720725314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63360362659.

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 126720725314 in words is "one hundred twenty-six billion, seven hundred twenty million, seven hundred twenty-five thousand, three hundred fourteen".