1487057 has 8 divisors (see below), whose sum is σ = 1747200. Its totient is φ = 1247760.

The previous prime is 1487053. The next prime is 1487071. The reversal of 1487057 is 7507841.

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

It is a cyclic number.

It is not a de Polignac number, because 1487057 - 2² = 1487053 is a prime.

It is a super-2 number, since 2×1487057² = 4422677042498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1487051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5057 + ... + 5342.

It is an arithmetic number, because the mean of its divisors is an integer number (218400).

2^1487057 is an apocalyptic number.

It is an amenable number.

1487057 is a deficient number, since it is larger than the sum of its proper divisors (260143).

1487057 is a wasteful number, since it uses less digits than its factorization.

1487057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10423.

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 1487057 is about 1219.4494659476. The cubic root of 1487057 is about 114.1412274527.

The spelling of 1487057 in words is "one million, four hundred eighty-seven thousand, fifty-seven".