1047720960 has 704 divisors, whose sum is σ = 4456892160. Its totient is φ = 230031360.

The previous prime is 1047720953. The next prime is 1047720967. The reversal of 1047720960 is 690277401.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1047720953) and next prime (1047720967).

It is a tau number, because it is divible by the number of its divisors (704).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047720967) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19768294 + ... + 19768346.

Almost surely, 2^1047720960 is an apocalyptic number.

1047720960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1047720960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2228446080).

1047720960 is an abundant number, since it is smaller than the sum of its proper divisors (3409171200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1047720960 is a wasteful number, since it uses less digits than its factorization.

1047720960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 1047720960 is about 32368.5180383656. The cubic root of 1047720960 is about 1015.6604565263.

The spelling of 1047720960 in words is "one billion, forty-seven million, seven hundred twenty thousand, nine hundred sixty".