1501120 has 28 divisors (see below), whose sum is σ = 3575304. Its totient is φ = 600320.

The previous prime is 1501081. The next prime is 1501139. The reversal of 1501120 is 211051.

It is a happy number.

It is a super-2 number, since 2×1501120² = 4506722508800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1501097 and 1501106.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2026 + ... + 2665.

2^1501120 is an apocalyptic number.

1501120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1501120 is an abundant number, since it is smaller than the sum of its proper divisors (2074184).

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

1501120 is an equidigital number, since it uses as much as digits as its factorization.

1501120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4708 (or 4698 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 1501120 is about 1225.2020241576. The cubic root of 1501120 is about 114.4999078329.

Adding to 1501120 its reverse (211051), we get a palindrome (1712171).

The spelling of 1501120 in words is "one million, five hundred one thousand, one hundred twenty".