1066172 has 12 divisors (see below), whose sum is σ = 1975680. Its totient is φ = 501696.

The previous prime is 1066159. The next prime is 1066217. The reversal of 1066172 is 2716601.

It is a super-2 number, since 2×1066172² = 2273445467168, which contains 22 as substring.

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, 7772 + ... + 7907.

It is an arithmetic number, because the mean of its divisors is an integer number (164640).

2^1066172 is an apocalyptic number.

It is an amenable number.

1066172 is a deficient number, since it is larger than the sum of its proper divisors (909508).

1066172 is a wasteful number, since it uses less digits than its factorization.

1066172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15700 (or 15698 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 1066172 is about 1032.5560517473. The cubic root of 1066172 is about 102.1587940548.

The spelling of 1066172 in words is "one million, sixty-six thousand, one hundred seventy-two".