1145103125 has 12 divisors (see below), whose sum is σ = 1431291204. Its totient is φ = 916080000.

The previous prime is 1145103083. The next prime is 1145103133. The reversal of 1145103125 is 5213015411.

It can be written as a sum of positive squares in 6 ways, for example, as 914336644 + 230766481 = 30238^2 + 15191^2 .

It is not a de Polignac number, because 1145103125 - 2⁶ = 1145103061 is a prime.

It is a super-2 number, since 2×1145103125² = 2622522333769531250, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1145103125.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180092 + ... + 186341.

It is an arithmetic number, because the mean of its divisors is an integer number (119274267).

Almost surely, 2^1145103125 is an apocalyptic number.

It is an amenable number.

1145103125 is a deficient number, since it is larger than the sum of its proper divisors (286188079).

1145103125 is an frugal number, since it uses more digits than its factorization.

1145103125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366458 (or 366438 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1145103125 is about 33839.3724084830. The cubic root of 1145103125 is about 1046.2003635858.

Adding to 1145103125 its reverse (5213015411), we get a palindrome (6358118536).

The spelling of 1145103125 in words is "one billion, one hundred forty-five million, one hundred three thousand, one hundred twenty-five".