125031223 has 4 divisors (see below), whose sum is σ = 126137808. Its totient is φ = 123924640.

The previous prime is 125031217. The next prime is 125031227. The reversal of 125031223 is 322130521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125031223 - 2¹⁷ = 124900151 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 125031223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125031227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 553123 + ... + 553348.

It is an arithmetic number, because the mean of its divisors is an integer number (31534452).

Almost surely, 2^125031223 is an apocalyptic number.

125031223 is a deficient number, since it is larger than the sum of its proper divisors (1106585).

125031223 is a wasteful number, since it uses less digits than its factorization.

125031223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106584.

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

The square root of 125031223 is about 11181.7361353235. The cubic root of 125031223 is about 500.0416272009.

Adding to 125031223 its reverse (322130521), we get a palindrome (447161744).

The spelling of 125031223 in words is "one hundred twenty-five million, thirty-one thousand, two hundred twenty-three".