1042545125 has 32 divisors (see below), whose sum is σ = 1328206464. Its totient is φ = 816816000.

The previous prime is 1042545113. The next prime is 1042545131. The reversal of 1042545125 is 5215452401.

It is not a de Polignac number, because 1042545125 - 2⁴ = 1042545109 is a prime.

It is a super-2 number, since 2×1042545125² = 2173800675322531250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2353154 + ... + 2353596.

It is an arithmetic number, because the mean of its divisors is an integer number (41506452).

Almost surely, 2^1042545125 is an apocalyptic number.

It is an amenable number.

1042545125 is a deficient number, since it is larger than the sum of its proper divisors (285661339).

1042545125 is an equidigital number, since it uses as much as digits as its factorization.

1042545125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806 (or 796 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 1042545125 is about 32288.4673683964. The cubic root of 1042545125 is about 1013.9852104510.

Adding to 1042545125 its reverse (5215452401), we get a palindrome (6257997526).

The spelling of 1042545125 in words is "one billion, forty-two million, five hundred forty-five thousand, one hundred twenty-five".