1979071 has 4 divisors (see below), whose sum is σ = 2042944. Its totient is φ = 1915200.

The previous prime is 1979069. The next prime is 1979077. The reversal of 1979071 is 1709791.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1709791 = 19 ⋅89989.

It is a cyclic number.

It is not a de Polignac number, because 1979071 - 2¹ = 1979069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1979077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31890 + ... + 31951.

It is an arithmetic number, because the mean of its divisors is an integer number (510736).

2^1979071 is an apocalyptic number.

1979071 is a deficient number, since it is larger than the sum of its proper divisors (63873).

1979071 is an equidigital number, since it uses as much as digits as its factorization.

1979071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63872.

The product of its (nonzero) digits is 3969, while the sum is 34.

The square root of 1979071 is about 1406.7945834414. The cubic root of 1979071 is about 125.5510815692.

The spelling of 1979071 in words is "one million, nine hundred seventy-nine thousand, seventy-one".