1065406 has 24 divisors (see below), whose sum is σ = 1791720. Its totient is φ = 473616.

The previous prime is 1065391. The next prime is 1065409. The reversal of 1065406 is 6045601.

1065406 = T₁₂₈ + T₁₂₉ + ... + T₂₀₃.

It is a super-2 number, since 2×1065406² = 2270179889672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20076 + ... + 20128.

It is an arithmetic number, because the mean of its divisors is an integer number (74655).

2^1065406 is an apocalyptic number.

1065406 is a deficient number, since it is larger than the sum of its proper divisors (726314).

1065406 is a wasteful number, since it uses less digits than its factorization.

1065406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1065406 is about 1032.1850609266. The cubic root of 1065406 is about 102.1343225860.

The spelling of 1065406 in words is "one million, sixty-five thousand, four hundred six".