125155203 has 4 divisors (see below), whose sum is σ = 166873608. Its totient is φ = 83436800.

The previous prime is 125155193. The next prime is 125155211. The reversal of 125155203 is 302551521.

It is a happy number.

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 125155203 - 2⁴ = 125155187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125155253) 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, 20859198 + ... + 20859203.

It is an arithmetic number, because the mean of its divisors is an integer number (41718402).

Almost surely, 2^125155203 is an apocalyptic number.

125155203 is a deficient number, since it is larger than the sum of its proper divisors (41718405).

125155203 is an equidigital number, since it uses as much as digits as its factorization.

125155203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41718404.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 125155203 is about 11187.2786235080. The cubic root of 125155203 is about 500.2068517462.

The spelling of 125155203 in words is "one hundred twenty-five million, one hundred fifty-five thousand, two hundred three".