1522971 has 6 divisors (see below), whose sum is σ = 2199860. Its totient is φ = 1015308.

The previous prime is 1522951. The next prime is 1522973. The reversal of 1522971 is 1792251.

It is not a de Polignac number, because 1522971 - 2⁹ = 1522459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1522973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 84601 + ... + 84618.

2^1522971 is an apocalyptic number.

1522971 is a deficient number, since it is larger than the sum of its proper divisors (676889).

1522971 is a wasteful number, since it uses less digits than its factorization.

1522971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169225 (or 169222 counting only the distinct ones).

The product of its digits is 1260, while the sum is 27.

The square root of 1522971 is about 1234.0871119982. The cubic root of 1522971 is about 115.0528049872.

The spelling of 1522971 in words is "one million, five hundred twenty-two thousand, nine hundred seventy-one".