1141660 has 24 divisors (see below), whose sum is σ = 2582496. Its totient is φ = 421440.

The previous prime is 1141649. The next prime is 1141661. The reversal of 1141660 is 661411.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141661) 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 7 ways as a sum of consecutive naturals, for example, 1936 + ... + 2455.

It is an arithmetic number, because the mean of its divisors is an integer number (107604).

2^1141660 is an apocalyptic number.

1141660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1141660 is an abundant number, since it is smaller than the sum of its proper divisors (1440836).

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

1141660 is a wasteful number, since it uses less digits than its factorization.

1141660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4413 (or 4411 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1141660 is about 1068.4849086440. The cubic root of 1141660 is about 104.5150730301.

Subtracting from 1141660 its reverse (661411), we obtain a square (480249 = 693²).

It can be divided in two parts, 11416 and 60, that added together give a triangular number (11476 = T₁₅₁).

The spelling of 1141660 in words is "one million, one hundred forty-one thousand, six hundred sixty".