1288472 has 8 divisors (see below), whose sum is σ = 2415900. Its totient is φ = 644232.

The previous prime is 1288439. The next prime is 1288487. The reversal of 1288472 is 2748821.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80522 + ... + 80537.

2^1288472 is an apocalyptic number.

It is an amenable number.

1288472 is a deficient number, since it is larger than the sum of its proper divisors (1127428).

1288472 is a wasteful number, since it uses less digits than its factorization.

1288472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161065 (or 161061 counting only the distinct ones).

The product of its digits is 7168, while the sum is 32.

The square root of 1288472 is about 1135.1088053574. The cubic root of 1288472 is about 108.8157254519.

The spelling of 1288472 in words is "one million, two hundred eighty-eight thousand, four hundred seventy-two".