1043123125 has 40 divisors (see below), whose sum is σ = 1442688192. Its totient is φ = 747600000.

The previous prime is 1043123113. The next prime is 1043123143. The reversal of 1043123125 is 5213213401.

It is a happy number.

It is not a de Polignac number, because 1043123125 - 2²⁹ = 506252213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1043123096 and 1043123105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 487057 + ... + 489193.

Almost surely, 2^1043123125 is an apocalyptic number.

It is an amenable number.

1043123125 is a deficient number, since it is larger than the sum of its proper divisors (399565067).

1043123125 is an equidigital number, since it uses as much as digits as its factorization.

1043123125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2239 (or 2224 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1043123125 is about 32297.4166923610. The cubic root of 1043123125 is about 1014.1725645074.

Adding to 1043123125 its reverse (5213213401), we get a palindrome (6256336526).

The spelling of 1043123125 in words is "one billion, forty-three million, one hundred twenty-three thousand, one hundred twenty-five".