1042320125 has 32 divisors (see below), whose sum is σ = 1621810944. Its totient is φ = 649752000.

The previous prime is 1042320119. The next prime is 1042320143. The reversal of 1042320125 is 5210232401.

It is not a de Polignac number, because 1042320125 - 2¹⁰ = 1042319101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1042320097 and 1042320106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44522 + ... + 63771.

It is an arithmetic number, because the mean of its divisors is an integer number (50681592).

Almost surely, 2^1042320125 is an apocalyptic number.

It is an amenable number.

1042320125 is a deficient number, since it is larger than the sum of its proper divisors (579490819).

1042320125 is a wasteful number, since it uses less digits than its factorization.

1042320125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108326 (or 108316 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1042320125 is about 32284.9829642204. The cubic root of 1042320125 is about 1013.9122597839.

Adding to 1042320125 its reverse (5210232401), we get a palindrome (6252552526).

The spelling of 1042320125 in words is "one billion, forty-two million, three hundred twenty thousand, one hundred twenty-five".