1974081 has 16 divisors (see below), whose sum is σ = 2822400. Its totient is φ = 1223568.

The previous prime is 1974079. The next prime is 1974121. The reversal of 1974081 is 1804791.

It is not a de Polignac number, because 1974081 - 2¹ = 1974079 is a prime.

It is a super-2 number, since 2×1974081² = 7793991589122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1974041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3070 + ... + 3656.

It is an arithmetic number, because the mean of its divisors is an integer number (176400).

2^1974081 is an apocalyptic number.

It is an amenable number.

1974081 is a deficient number, since it is larger than the sum of its proper divisors (848319).

1974081 is a wasteful number, since it uses less digits than its factorization.

1974081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 1974081 is about 1405.0199286843. The cubic root of 1974081 is about 125.4454718858.

It can be divided in two parts, 197 and 4081, that added together give a triangular number (4278 = T₉₂).

The spelling of 1974081 in words is "one million, nine hundred seventy-four thousand, eighty-one".