1055112257 has 4 divisors (see below), whose sum is σ = 1055935920. Its totient is φ = 1054288596.

The previous prime is 1055112251. The next prime is 1055112269. The reversal of 1055112257 is 7522115501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1055112257 - 2¹⁶ = 1055046721 is a prime.

It is a super-2 number, since 2×1055112257² = 2226523749743268098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1055112251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409907 + ... + 412472.

It is an arithmetic number, because the mean of its divisors is an integer number (263983980).

Almost surely, 2^1055112257 is an apocalyptic number.

It is an amenable number.

1055112257 is a deficient number, since it is larger than the sum of its proper divisors (823663).

1055112257 is an equidigital number, since it uses as much as digits as its factorization.

1055112257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823662.

The product of its (nonzero) digits is 3500, while the sum is 29.

The square root of 1055112257 is about 32482.4915454464. The cubic root of 1055112257 is about 1018.0432359284.

Adding to 1055112257 its reverse (7522115501), we get a palindrome (8577227758).

The spelling of 1055112257 in words is "one billion, fifty-five million, one hundred twelve thousand, two hundred fifty-seven".