125120203 has 8 divisors (see below), whose sum is σ = 136135328. Its totient is φ = 114303744.

The previous prime is 125120201. The next prime is 125120213. The reversal of 125120203 is 302021521.

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 125120203 - 2¹ = 125120201 is a prime.

It is a super-2 number, since 2×125120203² = 31310130397522418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125120201) 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 7 ways as a sum of consecutive naturals, for example, 48351 + ... + 50872.

It is an arithmetic number, because the mean of its divisors is an integer number (17016916).

Almost surely, 2^125120203 is an apocalyptic number.

125120203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

125120203 is a deficient number, since it is larger than the sum of its proper divisors (11015125).

125120203 is an equidigital number, since it uses as much as digits as its factorization.

125120203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99333.

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

The square root of 125120203 is about 11185.7142373654. The cubic root of 125120203 is about 500.1602193207.

Adding to 125120203 its reverse (302021521), we get a palindrome (427141724).

It can be divided in two parts, 12 and 5120203, that added together give a palindrome (5120215).

The spelling of 125120203 in words is "one hundred twenty-five million, one hundred twenty thousand, two hundred three".