1172940 has 48 divisors (see below), whose sum is σ = 3332448. Its totient is φ = 308224.

The previous prime is 1172939. The next prime is 1172953. The reversal of 1172940 is 492711.

It is a self number, because there is not a number n which added to its sum of digits gives 1172940.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6694 + ... + 6866.

It is an arithmetic number, because the mean of its divisors is an integer number (69426).

2^1172940 is an apocalyptic number.

1172940 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 1172940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1666224).

1172940 is an abundant number, since it is smaller than the sum of its proper divisors (2159508).

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

1172940 is a wasteful number, since it uses less digits than its factorization.

1172940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 1172940 is about 1083.0235454504. The cubic root of 1172940 is about 105.4610114761.

It can be divided in two parts, 1172 and 940, that added together give a palindrome (2112).

The spelling of 1172940 in words is "one million, one hundred seventy-two thousand, nine hundred forty".