1971002 has 8 divisors (see below), whose sum is σ = 3225312. Its totient is φ = 895900.

The previous prime is 1970999. The next prime is 1971007. The reversal of 1971002 is 2001791.

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

It is not an unprimeable number, because it can be changed into a prime (1971007) 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 3 ways as a sum of consecutive naturals, for example, 44774 + ... + 44817.

It is an arithmetic number, because the mean of its divisors is an integer number (403164).

2^1971002 is an apocalyptic number.

1971002 is a deficient number, since it is larger than the sum of its proper divisors (1254310).

1971002 is a wasteful number, since it uses less digits than its factorization.

1971002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89604.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 1971002 is about 1403.9237871053. The cubic root of 1971002 is about 125.3802182997.

Adding to 1971002 its reverse (2001791), we get a palindrome (3972793).

The spelling of 1971002 in words is "one million, nine hundred seventy-one thousand, two".