1092149197 has 2 divisors, whose sum is σ = 1092149198. Its totient is φ = 1092149196.

The previous prime is 1092149183. The next prime is 1092149237. The reversal of 1092149197 is 7919412901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 652240521 + 439908676 = 25539^2 + 20974^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1092149197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1092149117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 546074598 + 546074599.

It is an arithmetic number, because the mean of its divisors is an integer number (546074599).

Almost surely, 2^1092149197 is an apocalyptic number.

It is an amenable number.

1092149197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1092149197 is an equidigital number, since it uses as much as digits as its factorization.

1092149197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 43.

The square root of 1092149197 is about 33047.6806599192. The cubic root of 1092149197 is about 1029.8184230773.

The spelling of 1092149197 in words is "one billion, ninety-two million, one hundred forty-nine thousand, one hundred ninety-seven".