1042116523 has 4 divisors (see below), whose sum is σ = 1190990320. Its totient is φ = 893242728.

The previous prime is 1042116521. The next prime is 1042116529. The reversal of 1042116523 is 3256112401.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1042116523 - 2¹ = 1042116521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042116521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74436888 + ... + 74436901.

It is an arithmetic number, because the mean of its divisors is an integer number (297747580).

Almost surely, 2^1042116523 is an apocalyptic number.

1042116523 is a deficient number, since it is larger than the sum of its proper divisors (148873797).

1042116523 is an equidigital number, since it uses as much as digits as its factorization.

1042116523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148873796.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1042116523 is about 32281.8296104790. The cubic root of 1042116523 is about 1013.8462378386.

Adding to 1042116523 its reverse (3256112401), we get a palindrome (4298228924).

The spelling of 1042116523 in words is "one billion, forty-two million, one hundred sixteen thousand, five hundred twenty-three".