1258152191 has 2 divisors, whose sum is σ = 1258152192. Its totient is φ = 1258152190.

The previous prime is 1258152173. The next prime is 1258152221. The reversal of 1258152191 is 1912518521.

It is a weak prime.

It is an emirp because it is prime and its reverse (1912518521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1258152191 - 2³⁰ = 184410367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1258152101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 629076095 + 629076096.

It is an arithmetic number, because the mean of its divisors is an integer number (629076096).

Almost surely, 2^1258152191 is an apocalyptic number.

1258152191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1258152191 is an equidigital number, since it uses as much as digits as its factorization.

1258152191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 35.

The square root of 1258152191 is about 35470.4410883203. The cubic root of 1258152191 is about 1079.5540542860.

The spelling of 1258152191 in words is "one billion, two hundred fifty-eight million, one hundred fifty-two thousand, one hundred ninety-one".