1522872 has 48 divisors (see below), whose sum is σ = 4444440. Its totient is φ = 468288.

The previous prime is 1522841. The next prime is 1522897. The reversal of 1522872 is 2782251.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123 + ... + 1749.

2^1522872 is an apocalyptic number.

1522872 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 1522872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2222220).

1522872 is an abundant number, since it is smaller than the sum of its proper divisors (2921568).

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

1522872 is a wasteful number, since it uses less digits than its factorization.

1522872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652 (or 1645 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 1522872 is about 1234.0470007257. The cubic root of 1522872 is about 115.0503119490.

The spelling of 1522872 in words is "one million, five hundred twenty-two thousand, eight hundred seventy-two".