1641272 has 16 divisors (see below), whose sum is σ = 3096240. Its totient is φ = 815616.

The previous prime is 1641253. The next prime is 1641281. The reversal of 1641272 is 2721461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1013 + ... + 2075.

It is an arithmetic number, because the mean of its divisors is an integer number (193515).

2^1641272 is an apocalyptic number.

It is an amenable number.

1641272 is a deficient number, since it is larger than the sum of its proper divisors (1454968).

1641272 is a wasteful number, since it uses less digits than its factorization.

1641272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262 (or 1258 counting only the distinct ones).

The product of its digits is 672, while the sum is 23.

The square root of 1641272 is about 1281.1213837884. The cubic root of 1641272 is about 117.9578514602.

The spelling of 1641272 in words is "one million, six hundred forty-one thousand, two hundred seventy-two".