1015130523 has 16 divisors (see below), whose sum is σ = 1497353472. Its totient is φ = 606564000.

The previous prime is 1015130489. The next prime is 1015130527. The reversal of 1015130523 is 3250315101.

1015130523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1015130523 - 2¹⁰ = 1015129499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1015130523.

It is not an unprimeable number, because it can be changed into a prime (1015130527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214288 + ... + 218973.

It is an arithmetic number, because the mean of its divisors is an integer number (93584592).

Almost surely, 2^1015130523 is an apocalyptic number.

1015130523 is a deficient number, since it is larger than the sum of its proper divisors (482222949).

1015130523 is a wasteful number, since it uses less digits than its factorization.

1015130523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433346.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 1015130523 is about 31861.1130219897. The cubic root of 1015130523 is about 1005.0182823832.

Adding to 1015130523 its reverse (3250315101), we get a palindrome (4265445624).

The spelling of 1015130523 in words is "one billion, fifteen million, one hundred thirty thousand, five hundred twenty-three".