1501164 has 108 divisors (see below), whose sum is σ = 4730544. Its totient is φ = 399168.

The previous prime is 1501139. The next prime is 1501169. The reversal of 1501164 is 4611051.

1501164 is a `hidden beast` number, since 1 + 501 + 164 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1501169) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 40554 + ... + 40590.

2^1501164 is an apocalyptic number.

1501164 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 1501164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2365272).

1501164 is an abundant number, since it is smaller than the sum of its proper divisors (3229380).

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

1501164 is a wasteful number, since it uses less digits than its factorization.

1501164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1501164 is about 1225.2199802484. The cubic root of 1501164 is about 114.5010265413.

The spelling of 1501164 in words is "one million, five hundred one thousand, one hundred sixty-four".