125018803 has 16 divisors (see below), whose sum is σ = 161969920. Its totient is φ = 93708576.

The previous prime is 125018801. The next prime is 125018807. The reversal of 125018803 is 308810521.

It is not a de Polignac number, because 125018803 - 2¹ = 125018801 is a prime.

It is a super-2 number, since 2×125018803² = 31259402207105618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125018801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34425 + ... + 37882.

It is an arithmetic number, because the mean of its divisors is an integer number (10123120).

Almost surely, 2^125018803 is an apocalyptic number.

125018803 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

125018803 is a deficient number, since it is larger than the sum of its proper divisors (36951117).

125018803 is a wasteful number, since it uses less digits than its factorization.

125018803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72346.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 125018803 is about 11181.1807516022. The cubic root of 125018803 is about 500.0250694097.

The spelling of 125018803 in words is "one hundred twenty-five million, eighteen thousand, eight hundred three".