1487131 has 2 divisors, whose sum is σ = 1487132. Its totient is φ = 1487130.

The previous prime is 1487117. The next prime is 1487159. The reversal of 1487131 is 1317841.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1487131 - 2⁵ = 1487099 is a prime.

It is a super-2 number, since 2×1487131² = 4423117222322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1487096 and 1487105.

It is not a weakly prime, because it can be changed into another prime (1487191) 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 as a sum of consecutive naturals, namely, 743565 + 743566.

It is an arithmetic number, because the mean of its divisors is an integer number (743566).

2^1487131 is an apocalyptic number.

1487131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1487131 is an equidigital number, since it uses as much as digits as its factorization.

1487131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 672, while the sum is 25.

The square root of 1487131 is about 1219.4798071309. The cubic root of 1487131 is about 114.1431207473.

The spelling of 1487131 in words is "one million, four hundred eighty-seven thousand, one hundred thirty-one".