1501872 has 40 divisors (see below), whose sum is σ = 3946176. Its totient is φ = 492096.

The previous prime is 1501859. The next prime is 1501873. The reversal of 1501872 is 2781051.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1501873) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2983 + ... + 3449.

2^1501872 is an apocalyptic number.

1501872 is a gapful number since it is divisible by the number (12) 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 1501872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1973088).

1501872 is an abundant number, since it is smaller than the sum of its proper divisors (2444304).

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

1501872 is a wasteful number, since it uses less digits than its factorization.

1501872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545 (or 539 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 1501872 is about 1225.5088738969. The cubic root of 1501872 is about 114.5190245716.

The spelling of 1501872 in words is "one million, five hundred one thousand, eight hundred seventy-two".