126820588852 has 6 divisors (see below), whose sum is σ = 221936030498. Its totient is φ = 63410294424.

The previous prime is 126820588831. The next prime is 126820588889. The reversal of 126820588852 is 258885028621.

It can be written as a sum of positive squares in only one way, i.e., 122448205476 + 4372383376 = 349926^2 + 66124^2 .

It is a junction number, because it is equal to n+sod(n) for n = 126820588793 and 126820588802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15852573603 + ... + 15852573610.

Almost surely, 2^126820588852 is an apocalyptic number.

It is an amenable number.

126820588852 is a deficient number, since it is larger than the sum of its proper divisors (95115441646).

126820588852 is a wasteful number, since it uses less digits than its factorization.

126820588852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31705147217 (or 31705147215 counting only the distinct ones).

The product of its (nonzero) digits is 4915200, while the sum is 55.

The spelling of 126820588852 in words is "one hundred twenty-six billion, eight hundred twenty million, five hundred eighty-eight thousand, eight hundred fifty-two".