1042520523 has 16 divisors (see below), whose sum is σ = 1524873600. Its totient is φ = 628297280.

The previous prime is 1042520497. The next prime is 1042520533. The reversal of 1042520523 is 3250252401.

It is a cyclic number.

It is not a de Polignac number, because 1042520523 - 2¹² = 1042516427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1042520493 and 1042520502.

It is not an unprimeable number, because it can be changed into a prime (1042520533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82338 + ... + 94151.

It is an arithmetic number, because the mean of its divisors is an integer number (95304600).

Almost surely, 2^1042520523 is an apocalyptic number.

1042520523 is a deficient number, since it is larger than the sum of its proper divisors (482353077).

1042520523 is a wasteful number, since it uses less digits than its factorization.

1042520523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176682.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1042520523 is about 32288.0863942105. The cubic root of 1042520523 is about 1013.9772343741.

Adding to 1042520523 its reverse (3250252401), we get a palindrome (4292772924).

The spelling of 1042520523 in words is "one billion, forty-two million, five hundred twenty thousand, five hundred twenty-three".