1881079 has 2 divisors, whose sum is σ = 1881080. Its totient is φ = 1881078.

The previous prime is 1881071. The next prime is 1881083. The reversal of 1881079 is 9701881.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1881079 - 2³ = 1881071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1881071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 940539 + 940540.

It is an arithmetic number, because the mean of its divisors is an integer number (940540).

2^1881079 is an apocalyptic number.

1881079 is a deficient number, since it is larger than the sum of its proper divisors (1).

1881079 is an equidigital number, since it uses as much as digits as its factorization.

1881079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 34.

The square root of 1881079 is about 1371.5243344542. The cubic root of 1881079 is about 123.4437230960.

The spelling of 1881079 in words is "one million, eight hundred eighty-one thousand, seventy-nine".