1956081 has 8 divisors (see below), whose sum is σ = 2721600. Its totient is φ = 1247312.

The previous prime is 1956049. The next prime is 1956089. The reversal of 1956081 is 1806591.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1956081 - 2⁵ = 1956049 is a prime.

It is a super-2 number, since 2×1956081² = 7652505757122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1956089) 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 7 ways as a sum of consecutive naturals, for example, 14106 + ... + 14243.

It is an arithmetic number, because the mean of its divisors is an integer number (340200).

2^1956081 is an apocalyptic number.

It is an amenable number.

1956081 is a deficient number, since it is larger than the sum of its proper divisors (765519).

1956081 is a wasteful number, since it uses less digits than its factorization.

1956081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28375.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 1956081 is about 1398.5996567996. The cubic root of 1956081 is about 125.0630295462.

The spelling of 1956081 in words is "one million, nine hundred fifty-six thousand, eighty-one".