125002421313 has 32 divisors (see below), whose sum is σ = 211318225920. Its totient is φ = 63835700160.

The previous prime is 125002421311. The next prime is 125002421339. The reversal of 125002421313 is 313124200521.

It is not a de Polignac number, because 125002421313 - 2¹ = 125002421311 is a prime.

It is a super-2 number, since 2×125002421313² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125002421311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4572270 + ... + 4599527.

It is an arithmetic number, because the mean of its divisors is an integer number (6603694560).

Almost surely, 2^125002421313 is an apocalyptic number.

It is an amenable number.

125002421313 is a deficient number, since it is larger than the sum of its proper divisors (86315804607).

125002421313 is a wasteful number, since it uses less digits than its factorization.

125002421313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9171877.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 125002421313 its reverse (313124200521), we get a palindrome (438126621834).

The spelling of 125002421313 in words is "one hundred twenty-five billion, two million, four hundred twenty-one thousand, three hundred thirteen".