126725301320 has 32 divisors (see below), whose sum is σ = 286146657720. Its totient is φ = 50509724160.

The previous prime is 126725301257. The next prime is 126725301341. The reversal of 126725301320 is 23103527621.

It can be written as a sum of positive squares in 4 ways, for example, as 103904364964 + 22820936356 = 322342^2 + 151066^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5626007 + ... + 5648486.

Almost surely, 2^126725301320 is an apocalyptic number.

126725301320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126725301320 is an abundant number, since it is smaller than the sum of its proper divisors (159421356400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126725301320 is a wasteful number, since it uses less digits than its factorization.

126725301320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11274785 (or 11274781 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

Adding to 126725301320 its reverse (23103527621), we get a palindrome (149828828941).

The spelling of 126725301320 in words is "one hundred twenty-six billion, seven hundred twenty-five million, three hundred one thousand, three hundred twenty".