123625501130 has 16 divisors (see below), whose sum is σ = 222535874664. Its totient is φ = 49447984320.

The previous prime is 123625501123. The next prime is 123625501133. The reversal of 123625501130 is 31105526321.

It can be written as a sum of positive squares in 4 ways, for example, as 54576902689 + 69048598441 = 233617^2 + 262771^2 .

It is a junction number, because it is equal to n+sod(n) for n = 123625501093 and 123625501102.

It is not an unprimeable number, because it can be changed into a prime (123625501133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32441 + ... + 498300.

Almost surely, 2^123625501130 is an apocalyptic number.

123625501130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123625501130 is a deficient number, since it is larger than the sum of its proper divisors (98910373534).

123625501130 is a wasteful number, since it uses less digits than its factorization.

123625501130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554041.

The product of its (nonzero) digits is 5400, while the sum is 29.

The spelling of 123625501130 in words is "one hundred twenty-three billion, six hundred twenty-five million, five hundred one thousand, one hundred thirty".