125406223 has 4 divisors (see below), whose sum is σ = 125538768. Its totient is φ = 125273680.

The previous prime is 125406221. The next prime is 125406233. The reversal of 125406223 is 322604521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322604521 = 829 ⋅389149.

It is a cyclic number.

It is not a de Polignac number, because 125406223 - 2¹ = 125406221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125406221) 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, 64843 + ... + 66748.

It is an arithmetic number, because the mean of its divisors is an integer number (31384692).

Almost surely, 2^125406223 is an apocalyptic number.

125406223 is a deficient number, since it is larger than the sum of its proper divisors (132545).

125406223 is an equidigital number, since it uses as much as digits as its factorization.

125406223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132544.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 125406223 is about 11198.4919966931. The cubic root of 125406223 is about 500.5410449961.

The spelling of 125406223 in words is "one hundred twenty-five million, four hundred six thousand, two hundred twenty-three".