125320123 has 8 divisors (see below), whose sum is σ = 132346368. Its totient is φ = 118425384.

The previous prime is 125320087. The next prime is 125320133. The reversal of 125320123 is 321023521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125320123 - 2¹³ = 125311931 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125320123.

It is not an unprimeable number, because it can be changed into a prime (125320133) 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, 30915 + ... + 34732.

It is an arithmetic number, because the mean of its divisors is an integer number (16543296).

Almost surely, 2^125320123 is an apocalyptic number.

125320123 is a deficient number, since it is larger than the sum of its proper divisors (7026245).

125320123 is an equidigital number, since it uses as much as digits as its factorization.

125320123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65753.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 125320123 is about 11194.6470690237. The cubic root of 125320123 is about 500.4264668154.

Adding to 125320123 its reverse (321023521), we get a palindrome (446343644).

The spelling of 125320123 in words is "one hundred twenty-five million, three hundred twenty thousand, one hundred twenty-three".