1972079 has 2 divisors, whose sum is σ = 1972080. Its totient is φ = 1972078.

The previous prime is 1972049. The next prime is 1972093. The reversal of 1972079 is 9702791.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1972079 - 2¹⁶ = 1906543 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1972049) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 986039 + 986040.

It is an arithmetic number, because the mean of its divisors is an integer number (986040).

2^1972079 is an apocalyptic number.

1972079 is a deficient number, since it is larger than the sum of its proper divisors (1).

1972079 is an equidigital number, since it uses as much as digits as its factorization.

1972079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7938, while the sum is 35.

The square root of 1972079 is about 1404.3073025517. The cubic root of 1972079 is about 125.4030510023.

The spelling of 1972079 in words is "one million, nine hundred seventy-two thousand, seventy-nine".