1487231 has 2 divisors, whose sum is σ = 1487232. Its totient is φ = 1487230.

The previous prime is 1487219. The next prime is 1487251. The reversal of 1487231 is 1327841.

It is a weak prime.

It is an emirp because it is prime and its reverse (1327841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1487231 - 2¹⁸ = 1225087 is a prime.

It is a super-2 number, since 2×1487231² = 4423712094722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1487231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1487201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 743615 + 743616.

It is an arithmetic number, because the mean of its divisors is an integer number (743616).

2^1487231 is an apocalyptic number.

1487231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1487231 is an equidigital number, since it uses as much as digits as its factorization.

1487231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344, while the sum is 26.

The square root of 1487231 is about 1219.5208075306. The cubic root of 1487231 is about 114.1456791536.

The spelling of 1487231 in words is "one million, four hundred eighty-seven thousand, two hundred thirty-one".