1123071055 has 16 divisors (see below), whose sum is σ = 1369668960. Its totient is φ = 883865088.

The previous prime is 1123071043. The next prime is 1123071073. The reversal of 1123071055 is 5501703211.

It is a cyclic number.

It is not a de Polignac number, because 1123071055 - 2¹⁹ = 1122546767 is a prime.

It is a super-2 number, since 2×1123071055² = 2522577189157626050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145524 + ... + 153046.

It is an arithmetic number, because the mean of its divisors is an integer number (85604310).

Almost surely, 2^1123071055 is an apocalyptic number.

1123071055 is a deficient number, since it is larger than the sum of its proper divisors (246597905).

1123071055 is an equidigital number, since it uses as much as digits as its factorization.

1123071055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8010.

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 1123071055 is about 33512.2523116546. The cubic root of 1123071055 is about 1039.4471466811.

Adding to 1123071055 its reverse (5501703211), we get a palindrome (6624774266).

The spelling of 1123071055 in words is "one billion, one hundred twenty-three million, seventy-one thousand, fifty-five".