1015164047 has 4 divisors (see below), whose sum is σ = 1015246680. Its totient is φ = 1015081416.

The previous prime is 1015164019. The next prime is 1015164083. The reversal of 1015164047 is 7404615101.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1015164047 - 2⁸ = 1015163791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1015164947) 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, 18797 + ... + 48822.

It is an arithmetic number, because the mean of its divisors is an integer number (253811670).

Almost surely, 2^1015164047 is an apocalyptic number.

1015164047 is a deficient number, since it is larger than the sum of its proper divisors (82633).

1015164047 is an equidigital number, since it uses as much as digits as its factorization.

1015164047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82632.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 1015164047 is about 31861.6391135171. The cubic root of 1015164047 is about 1005.0293456114.

Adding to 1015164047 its reverse (7404615101), we get a palindrome (8419779148).

The spelling of 1015164047 in words is "one billion, fifteen million, one hundred sixty-four thousand, forty-seven".