125001223 has 4 divisors (see below), whose sum is σ = 129311640. Its totient is φ = 120690808.

The previous prime is 125001211. The next prime is 125001241. The reversal of 125001223 is 322100521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322100521 = 19 ⋅16952659.

It is not a de Polignac number, because 125001223 - 2¹³ = 124993031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125001197 and 125001206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125001523) 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, 2155165 + ... + 2155222.

It is an arithmetic number, because the mean of its divisors is an integer number (32327910).

Almost surely, 2^125001223 is an apocalyptic number.

125001223 is a deficient number, since it is larger than the sum of its proper divisors (4310417).

125001223 is an equidigital number, since it uses as much as digits as its factorization.

125001223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4310416.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 125001223 is about 11180.3945815879. The cubic root of 125001223 is about 500.0016306613.

Adding to 125001223 its reverse (322100521), we get a palindrome (447101744).

The spelling of 125001223 in words is "one hundred twenty-five million, one thousand, two hundred twenty-three".