1188043201 has 2 divisors, whose sum is σ = 1188043202. Its totient is φ = 1188043200.

The previous prime is 1188043193. The next prime is 1188043231. The reversal of 1188043201 is 1023408811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1176490000 + 11553201 = 34300^2 + 3399^2 .

It is a cyclic number.

It is not a de Polignac number, because 1188043201 - 2³ = 1188043193 is a prime.

It is a super-2 number, since 2×1188043201² = 2822893294884652802, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1188043201.

It is not a weakly prime, because it can be changed into another prime (1188043231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 594021600 + 594021601.

It is an arithmetic number, because the mean of its divisors is an integer number (594021601).

Almost surely, 2^1188043201 is an apocalyptic number.

It is an amenable number.

1188043201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1188043201 is an equidigital number, since it uses as much as digits as its factorization.

1188043201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 1188043201 is about 34468.0025675988. The cubic root of 1188043201 is about 1059.1173383697.

The spelling of 1188043201 in words is "one billion, one hundred eighty-eight million, forty-three thousand, two hundred one".