126648439130 has 64 divisors (see below), whose sum is σ = 231951820320. Its totient is φ = 49782104064.

The previous prime is 126648439087. The next prime is 126648439157. The reversal of 126648439130 is 31934846621.

It is a Cunningham number, because it is equal to 355877²+1.

It can be written as a sum of positive squares in 16 ways, for example, as 1 + 126648439129 = 1^2 + 355877^2 .

It is a super-3 number, since 3×126648439130³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 167302712 + ... + 167303468.

Almost surely, 2^126648439130 is an apocalyptic number.

126648439130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126648439130 is a deficient number, since it is larger than the sum of its proper divisors (105303381190).

126648439130 is a wasteful number, since it uses less digits than its factorization.

126648439130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763.

The product of its (nonzero) digits is 746496, while the sum is 47.

The spelling of 126648439130 in words is "one hundred twenty-six billion, six hundred forty-eight million, four hundred thirty-nine thousand, one hundred thirty".