1487871 has 48 divisors (see below), whose sum is σ = 2845440. Its totient is φ = 725760.

The previous prime is 1487867. The next prime is 1487873. The reversal of 1487871 is 1787841.

It is not a de Polignac number, because 1487871 - 2² = 1487867 is a prime.

It is a super-2 number, since 2×1487871² = 4427520225282, which contains 22 as substring.

1487871 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1487873) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13111 + ... + 13223.

It is an arithmetic number, because the mean of its divisors is an integer number (59280).

2^1487871 is an apocalyptic number.

1487871 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1487871 is a deficient number, since it is larger than the sum of its proper divisors (1357569).

1487871 is a wasteful number, since it uses less digits than its factorization.

1487871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 153 counting only the distinct ones).

The product of its digits is 12544, while the sum is 36.

The square root of 1487871 is about 1219.7831774541. The cubic root of 1487871 is about 114.1620502393.

The spelling of 1487871 in words is "one million, four hundred eighty-seven thousand, eight hundred seventy-one".