1195021 has 2 divisors, whose sum is σ = 1195022. Its totient is φ = 1195020.

The previous prime is 1194997. The next prime is 1195031. The reversal of 1195021 is 1205911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1179396 + 15625 = 1086^2 + 125^2 .

It is a cyclic number.

It is not a de Polignac number, because 1195021 - 2¹⁵ = 1162253 is a prime.

It is a Chen prime.

1195021 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1195021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1195031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 597510 + 597511.

It is an arithmetic number, because the mean of its divisors is an integer number (597511).

2^1195021 is an apocalyptic number.

It is an amenable number.

1195021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1195021 is an equidigital number, since it uses as much as digits as its factorization.

1195021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 19.

The square root of 1195021 is about 1093.1701605880. The cubic root of 1195021 is about 106.1186815948.

The spelling of 1195021 in words is "one million, one hundred ninety-five thousand, twenty-one".