126620640303130 has 16 divisors (see below), whose sum is σ = 235776364702920. Its totient is φ = 48901764530752.

The previous prime is 126620640303121. The next prime is 126620640303167. The reversal of 126620640303130 is 31303046026621.

It can be written as a sum of positive squares in 4 ways, for example, as 65535614495649 + 61085025807481 = 8095407^2 + 7815691^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 126620640303130.

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, 218311448509 + ... + 218311449088.

Almost surely, 2^{126620640303130} is an apocalyptic number.

126620640303130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126620640303130 is a deficient number, since it is larger than the sum of its proper divisors (109155724399790).

126620640303130 is a wasteful number, since it uses less digits than its factorization.

126620640303130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436622897633.

The product of its (nonzero) digits is 93312, while the sum is 37.

Adding to 126620640303130 its reverse (31303046026621), we get a palindrome (157923686329751).

The spelling of 126620640303130 in words is "one hundred twenty-six trillion, six hundred twenty billion, six hundred forty million, three hundred three thousand, one hundred thirty".