125323121 has 8 divisors (see below), whose sum is σ = 156247104. Its totient is φ = 97654320.

The previous prime is 125323117. The next prime is 125323153. The reversal of 125323121 is 121323521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125323121 - 2² = 125323117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125323093 and 125323102.

It is not an unprimeable number, because it can be changed into a prime (125323171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 813710 + ... + 813863.

It is an arithmetic number, because the mean of its divisors is an integer number (19530888).

Almost surely, 2^125323121 is an apocalyptic number.

125323121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

125323121 is a deficient number, since it is larger than the sum of its proper divisors (30923983).

125323121 is a wasteful number, since it uses less digits than its factorization.

125323121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1627591.

The product of its digits is 360, while the sum is 20.

The square root of 125323121 is about 11194.7809715063. The cubic root of 125323121 is about 500.4304573067.

Adding to 125323121 its reverse (121323521), we get a palindrome (246646642).

The spelling of 125323121 in words is "one hundred twenty-five million, three hundred twenty-three thousand, one hundred twenty-one".