1189022057 has 2 divisors, whose sum is σ = 1189022058. Its totient is φ = 1189022056.

The previous prime is 1189022039. The next prime is 1189022059. The reversal of 1189022057 is 7502209811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1157088256 + 31933801 = 34016^2 + 5651^2 .

It is an emirp because it is prime and its reverse (7502209811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1189022057 - 2¹⁴ = 1189005673 is a prime.

It is a super-2 number, since 2×1189022057² = 2827546904065022498, which contains 22 as substring.

Together with 1189022059, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1189022059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 594511028 + 594511029.

It is an arithmetic number, because the mean of its divisors is an integer number (594511029).

Almost surely, 2^1189022057 is an apocalyptic number.

It is an amenable number.

1189022057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1189022057 is an equidigital number, since it uses as much as digits as its factorization.

1189022057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 1189022057 is about 34482.1991323059. The cubic root of 1189022057 is about 1059.4081355293.

The spelling of 1189022057 in words is "one billion, one hundred eighty-nine million, twenty-two thousand, fifty-seven".