1047768159 has 8 divisors (see below), whose sum is σ = 1397525632. Its totient is φ = 698261400.

The previous prime is 1047768131. The next prime is 1047768193. The reversal of 1047768159 is 9518677401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1047768159 - 2⁷ = 1047768031 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 (1047768119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52699 + ... + 69804.

It is an arithmetic number, because the mean of its divisors is an integer number (174690704).

Almost surely, 2^1047768159 is an apocalyptic number.

1047768159 is a deficient number, since it is larger than the sum of its proper divisors (349757473).

1047768159 is a wasteful number, since it uses less digits than its factorization.

1047768159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125357.

The product of its (nonzero) digits is 423360, while the sum is 48.

The square root of 1047768159 is about 32369.2471182139. The cubic root of 1047768159 is about 1015.6757078638.

The spelling of 1047768159 in words is "one billion, forty-seven million, seven hundred sixty-eight thousand, one hundred fifty-nine".