1189342201 has 2 divisors, whose sum is σ = 1189342202. Its totient is φ = 1189342200.

The previous prime is 1189342159. The next prime is 1189342247. The reversal of 1189342201 is 1022439811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1173747600 + 15594601 = 34260^2 + 3949^2 .

It is a cyclic number.

It is not a de Polignac number, because 1189342201 - 2¹³ = 1189334009 is a prime.

It is not a weakly prime, because it can be changed into another prime (1189342291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 594671100 + 594671101.

It is an arithmetic number, because the mean of its divisors is an integer number (594671101).

Almost surely, 2^1189342201 is an apocalyptic number.

It is an amenable number.

1189342201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1189342201 is an equidigital number, since it uses as much as digits as its factorization.

1189342201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 1189342201 is about 34486.8409831924. The cubic root of 1189342201 is about 1059.5032088210.

The spelling of 1189342201 in words is "one billion, one hundred eighty-nine million, three hundred forty-two thousand, two hundred one".