1164500 has 48 divisors (see below), whose sum is σ = 2712528. Its totient is φ = 435200.

The previous prime is 1164497. The next prime is 1164503. The reversal of 1164500 is 54611.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1164497) and next prime (1164503).

It can be written as a sum of positive squares in 8 ways, for example, as 188356 + 976144 = 434^2 + 988^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1164503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8432 + ... + 8568.

It is an arithmetic number, because the mean of its divisors is an integer number (56511).

2^1164500 is an apocalyptic number.

1164500 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 1164500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1356264).

1164500 is an abundant number, since it is smaller than the sum of its proper divisors (1548028).

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

1164500 is a wasteful number, since it uses less digits than its factorization.

1164500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1164500 is about 1079.1200118615. The cubic root of 1164500 is about 105.2074507872.

The spelling of 1164500 in words is "one million, one hundred sixty-four thousand, five hundred".