1501560 has 96 divisors (see below), whose sum is σ = 5045040. Its totient is φ = 387072.

The previous prime is 1501541. The next prime is 1501561. The reversal of 1501560 is 651051.

1501560 = 31² + 32² + ... + 165².

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1501561) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15432 + ... + 15528.

2^1501560 is an apocalyptic number.

1501560 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 1501560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2522520).

1501560 is an abundant number, since it is smaller than the sum of its proper divisors (3543480).

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

1501560 is a wasteful number, since it uses less digits than its factorization.

1501560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 1501560 is about 1225.3815732253. The cubic root of 1501560 is about 114.5110939334.

The spelling of 1501560 in words is "one million, five hundred one thousand, five hundred sixty".