1487611 has 4 divisors (see below), whose sum is σ = 1490400. Its totient is φ = 1484824.

The previous prime is 1487599. The next prime is 1487623. The reversal of 1487611 is 1167841.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1487599) and next prime (1487623).

It is a cyclic number.

It is not a de Polignac number, because 1487611 - 2⁵ = 1487579 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1487611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1487641) 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, 316 + ... + 1753.

It is an arithmetic number, because the mean of its divisors is an integer number (372600).

2^1487611 is an apocalyptic number.

1487611 is a deficient number, since it is larger than the sum of its proper divisors (2789).

1487611 is an equidigital number, since it uses as much as digits as its factorization.

1487611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2788.

The product of its digits is 1344, while the sum is 28.

The square root of 1487611 is about 1219.6765964796. The cubic root of 1487611 is about 114.1554000520.

The spelling of 1487611 in words is "one million, four hundred eighty-seven thousand, six hundred eleven".