1123010145 has 48 divisors (see below), whose sum is σ = 1997341632. Its totient is φ = 583390080.

The previous prime is 1123010137. The next prime is 1123010221. The reversal of 1123010145 is 5410103211.

1123010145 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1123010145 - 2³ = 1123010137 is a prime.

It is a super-2 number, since 2×1123010145² = 2522303571545842050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1057915 + ... + 1058975.

It is an arithmetic number, because the mean of its divisors is an integer number (41611284).

Almost surely, 2^1123010145 is an apocalyptic number.

1123010145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1123010145 is a deficient number, since it is larger than the sum of its proper divisors (874331487).

1123010145 is a wasteful number, since it uses less digits than its factorization.

1123010145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662 (or 1659 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1123010145 is about 33511.3435272297. The cubic root of 1123010145 is about 1039.4283547950.

Adding to 1123010145 its reverse (5410103211), we get a palindrome (6533113356).

The spelling of 1123010145 in words is "one billion, one hundred twenty-three million, ten thousand, one hundred forty-five".