1047487 has 8 divisors (see below), whose sum is σ = 1206272. Its totient is φ = 891000.

The previous prime is 1047479. The next prime is 1047491. The reversal of 1047487 is 7847401.

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 1047487 - 2³ = 1047479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047467) 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, 562 + ... + 1552.

It is an arithmetic number, because the mean of its divisors is an integer number (150784).

2^1047487 is an apocalyptic number.

1047487 is a deficient number, since it is larger than the sum of its proper divisors (158785).

1047487 is an equidigital number, since it uses as much as digits as its factorization.

1047487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149.

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 1047487 is about 1023.4681235876. The cubic root of 1047487 is about 101.5584850642.

The spelling of 1047487 in words is "one million, forty-seven thousand, four hundred eighty-seven".