1164450 has 48 divisors (see below), whose sum is σ = 3303360. Its totient is φ = 265920.

The previous prime is 1164439. The next prime is 1164461. The reversal of 1164450 is 544611.

It is an interprime number because it is at equal distance from previous prime (1164439) and next prime (1164461).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 496 + ... + 1604.

It is an arithmetic number, because the mean of its divisors is an integer number (68820).

2^1164450 is an apocalyptic number.

1164450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1164450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1651680).

1164450 is an abundant number, since it is smaller than the sum of its proper divisors (2138910).

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

1164450 is a wasteful number, since it uses less digits than its factorization.

1164450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131 (or 1126 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1164450 is about 1079.0968445881. The cubic root of 1164450 is about 105.2059450056.

It can be divided in two parts, 1 and 164450, that added together give a triangular number (164451 = T₅₇₃).

The spelling of 1164450 in words is "one million, one hundred sixty-four thousand, four hundred fifty".