1054248191 has 2 divisors, whose sum is σ = 1054248192. Its totient is φ = 1054248190.

The previous prime is 1054248163. The next prime is 1054248197. The reversal of 1054248191 is 1918424501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1054248191 - 2²⁶ = 987139327 is a prime.

It is a super-2 number, since 2×1054248191² = 2222878496453544962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1054248197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527124095 + 527124096.

It is an arithmetic number, because the mean of its divisors is an integer number (527124096).

Almost surely, 2^1054248191 is an apocalyptic number.

1054248191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1054248191 is an equidigital number, since it uses as much as digits as its factorization.

1054248191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 1054248191 is about 32469.1883329411. The cubic root of 1054248191 is about 1017.7652570446.

The spelling of 1054248191 in words is "one billion, fifty-four million, two hundred forty-eight thousand, one hundred ninety-one".