1191060 has 72 divisors (see below), whose sum is σ = 3898440. Its totient is φ = 292608.

The previous prime is 1191031. The next prime is 1191061. The reversal of 1191060 is 601911.

It can be written as a sum of positive squares in 4 ways, for example, as 101124 + 1089936 = 318^2 + 1044^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1191061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2086 + ... + 2594.

It is an arithmetic number, because the mean of its divisors is an integer number (54145).

2^1191060 is an apocalyptic number.

1191060 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 1191060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1949220).

1191060 is an abundant number, since it is smaller than the sum of its proper divisors (2707380).

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

1191060 is a wasteful number, since it uses less digits than its factorization.

1191060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537 (or 532 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The square root of 1191060 is about 1091.3569535216. The cubic root of 1191060 is about 106.0013053120.

Adding to 1191060 its reverse (601911), we get a palindrome (1792971).

The spelling of 1191060 in words is "one million, one hundred ninety-one thousand, sixty".