1123062540 has 24 divisors (see below), whose sum is σ = 3144575280. Its totient is φ = 299483328.

The previous prime is 1123062511. The next prime is 1123062557. The reversal of 1123062540 is 452603211.

It is a super-2 number, since 2×1123062540² = 2522538937502503200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1123062540.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9358795 + ... + 9358914.

It is an arithmetic number, because the mean of its divisors is an integer number (131023970).

Almost surely, 2^1123062540 is an apocalyptic number.

1123062540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123062540 is an abundant number, since it is smaller than the sum of its proper divisors (2021512740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123062540 is a wasteful number, since it uses less digits than its factorization.

1123062540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18717721 (or 18717719 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1123062540 is about 33512.1252683264. The cubic root of 1123062540 is about 1039.4445196836. Note that the first 3 decimals are identical.

Adding to 1123062540 its reverse (452603211), we get a palindrome (1575665751).

The spelling of 1123062540 in words is "one billion, one hundred twenty-three million, sixty-two thousand, five hundred forty".