1487172 has 12 divisors (see below), whose sum is σ = 3470096. Its totient is φ = 495720.

The previous prime is 1487159. The next prime is 1487173. The reversal of 1487172 is 2717841.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1487173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61954 + ... + 61977.

2^1487172 is an apocalyptic number.

1487172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1487172 is an abundant number, since it is smaller than the sum of its proper divisors (1982924).

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

1487172 is a wasteful number, since it uses less digits than its factorization.

1487172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123938 (or 123936 counting only the distinct ones).

The product of its digits is 3136, while the sum is 30.

The square root of 1487172 is about 1219.4966174615. The cubic root of 1487172 is about 114.1441697078.

The spelling of 1487172 in words is "one million, four hundred eighty-seven thousand, one hundred seventy-two".