1115072 has 56 divisors (see below), whose sum is σ = 2682240. Its totient is φ = 449280.

The previous prime is 1115071. The next prime is 1115089. The reversal of 1115072 is 2705111.

It is a tau number, because it is divible by the number of its divisors (56).

It is a self number, because there is not a number n which added to its sum of digits gives 1115072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115071) 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, 8447 + ... + 8577.

2^1115072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1115072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1341120).

1115072 is an abundant number, since it is smaller than the sum of its proper divisors (1567168).

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

1115072 is a wasteful number, since it uses less digits than its factorization.

1115072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 17.

The square root of 1115072 is about 1055.9696965349. The cubic root of 1115072 is about 103.6973449364.

The spelling of 1115072 in words is "one million, one hundred fifteen thousand, seventy-two".