125033123 has 4 divisors (see below), whose sum is σ = 129344640. Its totient is φ = 120721608.

The previous prime is 125033119. The next prime is 125033131. The reversal of 125033123 is 321330521.

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 125033123 - 2² = 125033119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125033095 and 125033104.

It is not an unprimeable number, because it can be changed into a prime (125033143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2155715 + ... + 2155772.

It is an arithmetic number, because the mean of its divisors is an integer number (32336160).

Almost surely, 2^125033123 is an apocalyptic number.

125033123 is a deficient number, since it is larger than the sum of its proper divisors (4311517).

125033123 is an equidigital number, since it uses as much as digits as its factorization.

125033123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4311516.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 125033123 is about 11181.8210949738. The cubic root of 125033123 is about 500.0441600997.

Adding to 125033123 its reverse (321330521), we get a palindrome (446363644).

The spelling of 125033123 in words is "one hundred twenty-five million, thirty-three thousand, one hundred twenty-three".