1123145001 has 64 divisors (see below), whose sum is σ = 1934150400. Its totient is φ = 636595200.

The previous prime is 1123144991. The next prime is 1123145011. The reversal of 1123145001 is 1005413211.

It is an interprime number because it is at equal distance from previous prime (1123144991) and next prime (1123145011).

It is not a de Polignac number, because 1123145001 - 2¹³ = 1123136809 is a prime.

It is a super-3 number, since 3×1123145001³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1123145011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 913255 + ... + 914483.

It is an arithmetic number, because the mean of its divisors is an integer number (30221100).

Almost surely, 2^1123145001 is an apocalyptic number.

1123145001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1123145001 is a deficient number, since it is larger than the sum of its proper divisors (811005399).

1123145001 is a wasteful number, since it uses less digits than its factorization.

1123145001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447 (or 1441 counting only the distinct ones).

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

The square root of 1123145001 is about 33513.3555616265. The cubic root of 1123145001 is about 1039.4699595066.

Adding to 1123145001 its reverse (1005413211), we get a palindrome (2128558212).

The spelling of 1123145001 in words is "one billion, one hundred twenty-three million, one hundred forty-five thousand, one".