1170540 has 72 divisors (see below), whose sum is σ = 4062240. Its totient is φ = 267264.

The previous prime is 1170523. The next prime is 1170541. The reversal of 1170540 is 450711.

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

It is not an unprimeable number, because it can be changed into a prime (1170541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 796 + ... + 1724.

It is an arithmetic number, because the mean of its divisors is an integer number (56420).

2^1170540 is an apocalyptic number.

1170540 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 1170540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2031120).

1170540 is an abundant number, since it is smaller than the sum of its proper divisors (2891700).

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

1170540 is a wasteful number, since it uses less digits than its factorization.

1170540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951 (or 946 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 1170540 is about 1081.9149689324. The cubic root of 1170540 is about 105.3890330133.

The spelling of 1170540 in words is "one million, one hundred seventy thousand, five hundred forty".