1042545123 has 6 divisors (see below), whose sum is σ = 1505898524. Its totient is φ = 695030076.

The previous prime is 1042545113. The next prime is 1042545131. The reversal of 1042545123 is 3215452401.

1042545123 is a `hidden beast` number, since 104 + 2 + 545 + 12 + 3 = 666.

It is not a de Polignac number, because 1042545123 - 2¹⁰ = 1042544099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042545113) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 57919165 + ... + 57919182.

Almost surely, 2^1042545123 is an apocalyptic number.

1042545123 is a deficient number, since it is larger than the sum of its proper divisors (463353401).

1042545123 is a wasteful number, since it uses less digits than its factorization.

1042545123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115838353 (or 115838350 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1042545123 is about 32288.4673374256. The cubic root of 1042545123 is about 1013.9852098026.

Adding to 1042545123 its reverse (3215452401), we get a palindrome (4257997524).

The spelling of 1042545123 in words is "one billion, forty-two million, five hundred forty-five thousand, one hundred twenty-three".