1940971 has 2 divisors, whose sum is σ = 1940972. Its totient is φ = 1940970.

The previous prime is 1940957. The next prime is 1940987. The reversal of 1940971 is 1790491.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1940971 - 2⁹ = 1940459 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1940371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 970485 + 970486.

It is an arithmetic number, because the mean of its divisors is an integer number (970486).

2^1940971 is an apocalyptic number.

1940971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1940971 is an equidigital number, since it uses as much as digits as its factorization.

1940971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 1940971 is about 1393.1873527993. The cubic root of 1940971 is about 124.7401749685.

The spelling of 1940971 in words is "one million, nine hundred forty thousand, nine hundred seventy-one".