1047163605 has 16 divisors (see below), whose sum is σ = 1675864320. Its totient is φ = 558353088.

The previous prime is 1047163591. The next prime is 1047163627. The reversal of 1047163605 is 5063617401.

It is not a de Polignac number, because 1047163605 - 2¹³ = 1047155413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110484 + ... + 119586.

It is an arithmetic number, because the mean of its divisors is an integer number (104741520).

Almost surely, 2^1047163605 is an apocalyptic number.

1047163605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1047163605 is a deficient number, since it is larger than the sum of its proper divisors (628700715).

1047163605 is an equidigital number, since it uses as much as digits as its factorization.

1047163605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16780.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 1047163605 is about 32359.9073700776. The cubic root of 1047163605 is about 1015.4803246449.

The spelling of 1047163605 in words is "one billion, forty-seven million, one hundred sixty-three thousand, six hundred five".