1180648 has 32 divisors (see below), whose sum is σ = 2620800. Its totient is φ = 487872.

The previous prime is 1180643. The next prime is 1180657. The reversal of 1180648 is 8460811.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (1180643) 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, 1261 + ... + 1987.

It is an arithmetic number, because the mean of its divisors is an integer number (81900).

2^1180648 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 1180648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1310400).

1180648 is an abundant number, since it is smaller than the sum of its proper divisors (1440152).

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

1180648 is a wasteful number, since it uses less digits than its factorization.

1180648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769 (or 765 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 1180648 is about 1086.5762743591. The cubic root of 1180648 is about 105.6915203683.

The spelling of 1180648 in words is "one million, one hundred eighty thousand, six hundred forty-eight".