1971030 has 16 divisors (see below), whose sum is σ = 4730544. Its totient is φ = 525600.

The previous prime is 1971029. The next prime is 1971049. The reversal of 1971030 is 301791.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1970988 and 1971006.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 32821 + ... + 32880.

It is an arithmetic number, because the mean of its divisors is an integer number (295659).

2^1971030 is an apocalyptic number.

1971030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1971030 is an abundant number, since it is smaller than the sum of its proper divisors (2759514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1971030 is a wasteful number, since it uses less digits than its factorization.

1971030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65711.

The product of its (nonzero) digits is 189, while the sum is 21.

The square root of 1971030 is about 1403.9337591211. The cubic root of 1971030 is about 125.3808120129.

The spelling of 1971030 in words is "one million, nine hundred seventy-one thousand, thirty".