1055108749 has 2 divisors, whose sum is σ = 1055108750. Its totient is φ = 1055108748.

The previous prime is 1055108737. The next prime is 1055108771. The reversal of 1055108749 is 9478015501.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1050926724 + 4182025 = 32418^2 + 2045^2 .

It is an emirp because it is prime and its reverse (9478015501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1055108749 - 2⁹ = 1055108237 is a prime.

It is a super-2 number, since 2×1055108749² = 2226508944432690002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1055108449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527554374 + 527554375.

It is an arithmetic number, because the mean of its divisors is an integer number (527554375).

Almost surely, 2^1055108749 is an apocalyptic number.

It is an amenable number.

1055108749 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055108749 is an equidigital number, since it uses as much as digits as its factorization.

1055108749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 40.

The square root of 1055108749 is about 32482.4375470807. The cubic root of 1055108749 is about 1018.0421076758.

The spelling of 1055108749 in words is "one billion, fifty-five million, one hundred eight thousand, seven hundred forty-nine".