1487245 has 8 divisors (see below), whose sum is σ = 1889784. Its totient is φ = 1119744.

The previous prime is 1487231. The next prime is 1487251. The reversal of 1487245 is 5427841.

It can be written as a sum of positive squares in 4 ways, for example, as 15876 + 1471369 = 126^2 + 1213^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 7-Lehmer number, since φ(1487245) divides (1487245-1)⁷.

It is a cyclic number.

It is not a de Polignac number, because 1487245 - 2⁷ = 1487117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 8664 + ... + 8833.

It is an arithmetic number, because the mean of its divisors is an integer number (236223).

2^1487245 is an apocalyptic number.

It is an amenable number.

1487245 is a deficient number, since it is larger than the sum of its proper divisors (402539).

1487245 is a wasteful number, since it uses less digits than its factorization.

1487245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17519.

The product of its digits is 8960, while the sum is 31.

The square root of 1487245 is about 1219.5265474765. The cubic root of 1487245 is about 114.1460373214.

The spelling of 1487245 in words is "one million, four hundred eighty-seven thousand, two hundred forty-five".