125045023 has 4 divisors (see below), whose sum is σ = 131626360. Its totient is φ = 118463688.

The previous prime is 125045021. The next prime is 125045027. The reversal of 125045023 is 320540521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320540521 = 7 ⋅45791503.

It is a cyclic number.

It is not a de Polignac number, because 125045023 - 2¹ = 125045021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125044985 and 125045003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125045021) 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, 3290640 + ... + 3290677.

It is an arithmetic number, because the mean of its divisors is an integer number (32906590).

Almost surely, 2^125045023 is an apocalyptic number.

125045023 is a deficient number, since it is larger than the sum of its proper divisors (6581337).

125045023 is an equidigital number, since it uses as much as digits as its factorization.

125045023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6581336.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 125045023 is about 11182.3531959959. The cubic root of 125045023 is about 500.0600234607.

Adding to 125045023 its reverse (320540521), we get a palindrome (445585544).

The spelling of 125045023 in words is "one hundred twenty-five million, forty-five thousand, twenty-three".