1971070 has 16 divisors (see below), whose sum is σ = 3615840. Its totient is φ = 773344.

The previous prime is 1971049. The next prime is 1971091. The reversal of 1971070 is 701791.

It is an interprime number because it is at equal distance from previous prime (1971049) and next prime (1971091).

It is a congruent number.

It is an unprimeable number.

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, 1330 + ... + 2389.

It is an arithmetic number, because the mean of its divisors is an integer number (225990).

2^1971070 is an apocalyptic number.

1971070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1971070 is a deficient number, since it is larger than the sum of its proper divisors (1644770).

1971070 is a wasteful number, since it uses less digits than its factorization.

1971070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3779.

The product of its (nonzero) digits is 441, while the sum is 25.

The square root of 1971070 is about 1403.9480047352. The cubic root of 1971070 is about 125.3816601648.

The spelling of 1971070 in words is "one million, nine hundred seventy-one thousand, seventy".