1151779 has 2 divisors, whose sum is σ = 1151780. Its totient is φ = 1151778.

The previous prime is 1151753. The next prime is 1151807. The reversal of 1151779 is 9771511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1151779 - 2⁵ = 1151747 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1151779.

It is not a weakly prime, because it can be changed into another prime (1151729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575889 + 575890.

It is an arithmetic number, because the mean of its divisors is an integer number (575890).

2^1151779 is an apocalyptic number.

1151779 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151779 is an equidigital number, since it uses as much as digits as its factorization.

1151779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2205, while the sum is 31.

The square root of 1151779 is about 1073.2096719654. The cubic root of 1151779 is about 104.8229518229.

The spelling of 1151779 in words is "one million, one hundred fifty-one thousand, seven hundred seventy-nine".