133203125 has 36 divisors (see below), whose sum is σ = 187499904. Its totient is φ = 93750000.

The previous prime is 133203113. The next prime is 133203139. The reversal of 133203125 is 521302331.

It is not a de Polignac number, because 133203125 - 2¹⁴ = 133186741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133203097 and 133203106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4296860 + ... + 4296890.

Almost surely, 2^133203125 is an apocalyptic number.

It is an amenable number.

133203125 is a deficient number, since it is larger than the sum of its proper divisors (54296779).

133203125 is an frugal number, since it uses more digits than its factorization.

133203125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82 (or 47 counting only the distinct ones).

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

The square root of 133203125 is about 11541.3658203871. The cubic root of 133203125 is about 510.7066009756.

Adding to 133203125 its reverse (521302331), we get a palindrome (654505456).

The spelling of 133203125 in words is "one hundred thirty-three million, two hundred three thousand, one hundred twenty-five".