1123065072 has 60 divisors (see below), whose sum is σ = 3308452680. Its totient is φ = 354651264.

The previous prime is 1123065037. The next prime is 1123065089. The reversal of 1123065072 is 2705603211.

It is a happy number.

1123065072 is a `hidden beast` number, since 1 + 1 + 2 + 3 + 0 + 650 + 7 + 2 = 666.

It is a super-2 number, since 2×1123065072² = 2522550311892730368, 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 11 ways as a sum of consecutive naturals, for example, 202503 + ... + 207974.

It is an arithmetic number, because the mean of its divisors is an integer number (55140878).

Almost surely, 2^1123065072 is an apocalyptic number.

1123065072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1123065072 is an abundant number, since it is smaller than the sum of its proper divisors (2185387608).

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

1123065072 is a wasteful number, since it uses less digits than its factorization.

1123065072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410510 (or 410501 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 1123065072 is about 33512.1630456764. The cubic root of 1123065072 is about 1039.4453008427.

Adding to 1123065072 its reverse (2705603211), we get a palindrome (3828668283).

The spelling of 1123065072 in words is "one billion, one hundred twenty-three million, sixty-five thousand, seventy-two".