1047215 has 8 divisors (see below), whose sum is σ = 1353408. Its totient is φ = 773280.

The previous prime is 1047199. The next prime is 1047229. The reversal of 1047215 is 5127401.

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

It is not a de Polignac number, because 1047215 - 2⁴ = 1047199 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7991 + ... + 8120.

It is an arithmetic number, because the mean of its divisors is an integer number (169176).

2^1047215 is an apocalyptic number.

1047215 is a deficient number, since it is larger than the sum of its proper divisors (306193).

1047215 is a wasteful number, since it uses less digits than its factorization.

1047215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16129.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 1047215 is about 1023.3352334401. The cubic root of 1047215 is about 101.5496937699.

It can be divided in two parts, 10472 and 15, that multiplied together give a triangular number (157080 = T₅₆₀).

The spelling of 1047215 in words is "one million, forty-seven thousand, two hundred fifteen".