125730802130 has 16 divisors (see below), whose sum is σ = 231835333464. Its totient is φ = 49065678720.

The previous prime is 125730802091. The next prime is 125730802133. The reversal of 125730802130 is 31208037521.

It can be written as a sum of positive squares in 4 ways, for example, as 54899770249 + 70831031881 = 234307^2 + 266141^2 .

It is not an unprimeable number, because it can be changed into a prime (125730802133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153329837 + ... + 153330656.

Almost surely, 2^125730802130 is an apocalyptic number.

125730802130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125730802130 is a deficient number, since it is larger than the sum of its proper divisors (106104531334).

125730802130 is a wasteful number, since it uses less digits than its factorization.

125730802130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306660541.

The product of its (nonzero) digits is 10080, while the sum is 32.

Adding to 125730802130 its reverse (31208037521), we get a palindrome (156938839651).

The spelling of 125730802130 in words is "one hundred twenty-five billion, seven hundred thirty million, eight hundred two thousand, one hundred thirty".