1191340 has 12 divisors (see below), whose sum is σ = 2501856. Its totient is φ = 476528.

The previous prime is 1191313. The next prime is 1191341. The reversal of 1191340 is 431911.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1191341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29764 + ... + 29803.

It is an arithmetic number, because the mean of its divisors is an integer number (208488).

2^1191340 is an apocalyptic number.

1191340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1191340 is an abundant number, since it is smaller than the sum of its proper divisors (1310516).

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

1191340 is a wasteful number, since it uses less digits than its factorization.

1191340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59576 (or 59574 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 1191340 is about 1091.4852266522. The cubic root of 1191340 is about 106.0096110901.

The spelling of 1191340 in words is "one million, one hundred ninety-one thousand, three hundred forty".