2103451125 has 16 divisors (see below), whose sum is σ = 3500143296. Its totient is φ = 1121840400.

The previous prime is 2103451109. The next prime is 2103451151. The reversal of 2103451125 is 5211543012.

It is a happy number.

It is not a de Polignac number, because 2103451125 - 2⁴ = 2103451109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2103451095 and 2103451104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2804227 + ... + 2804976.

It is an arithmetic number, because the mean of its divisors is an integer number (218758956).

Almost surely, 2^2103451125 is an apocalyptic number.

2103451125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2103451125 is a deficient number, since it is larger than the sum of its proper divisors (1396692171).

2103451125 is an equidigital number, since it uses as much as digits as its factorization.

2103451125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5609221 (or 5609211 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2103451125 is about 45863.3963526471. The cubic root of 2103451125 is about 1281.2802792765.

Adding to 2103451125 its reverse (5211543012), we get a palindrome (7314994137).

The spelling of 2103451125 in words is "two billion, one hundred three million, four hundred fifty-one thousand, one hundred twenty-five".