1154664 has 96 divisors (see below), whose sum is σ = 3744000. Its totient is φ = 314496.

The previous prime is 1154653. The next prime is 1154707. The reversal of 1154664 is 4664511.

Its product of digits (2880) is a multiple of the sum of its prime divisors (120).

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, 14577 + ... + 14655.

It is an arithmetic number, because the mean of its divisors is an integer number (39000).

2^1154664 is an apocalyptic number.

1154664 is a gapful number since it is divisible by the number (14) 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 1154664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1872000).

1154664 is an abundant number, since it is smaller than the sum of its proper divisors (2589336).

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

1154664 is a wasteful number, since it uses less digits than its factorization.

1154664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 120 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 1154664 is about 1074.5529302924. The cubic root of 1154664 is about 104.9103997531.

The spelling of 1154664 in words is "one million, one hundred fifty-four thousand, six hundred sixty-four".