1157198467 has 2 divisors, whose sum is σ = 1157198468. Its totient is φ = 1157198466.

The previous prime is 1157198453. The next prime is 1157198501. The reversal of 1157198467 is 7648917511.

It is a weak prime.

It is an emirp because it is prime and its reverse (7648917511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1157198467 - 2¹¹ = 1157196419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1157198467.

It is not a weakly prime, because it can be changed into another prime (1157198167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578599233 + 578599234.

It is an arithmetic number, because the mean of its divisors is an integer number (578599234).

Almost surely, 2^1157198467 is an apocalyptic number.

1157198467 is a deficient number, since it is larger than the sum of its proper divisors (1).

1157198467 is an equidigital number, since it uses as much as digits as its factorization.

1157198467 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 49.

The square root of 1157198467 is about 34017.6199490793. The cubic root of 1157198467 is about 1049.8710248233.

The spelling of 1157198467 in words is "one billion, one hundred fifty-seven million, one hundred ninety-eight thousand, four hundred sixty-seven".