1123021330 has 8 divisors (see below), whose sum is σ = 2021438412. Its totient is φ = 449208528.

The previous prime is 1123021327. The next prime is 1123021331. The reversal of 1123021330 is 331203211.

It can be written as a sum of positive squares in 2 ways, for example, as 971755929 + 151265401 = 31173^2 + 12299^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1123021330² = 2522353815269937800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1123021331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56151057 + ... + 56151076.

Almost surely, 2^1123021330 is an apocalyptic number.

1123021330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123021330 is a deficient number, since it is larger than the sum of its proper divisors (898417082).

1123021330 is a wasteful number, since it uses less digits than its factorization.

1123021330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112302140.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1123021330 is about 33511.5104106037. The cubic root of 1123021330 is about 1039.4318056298.

Adding to 1123021330 its reverse (331203211), we get a palindrome (1454224541).

The spelling of 1123021330 in words is "one billion, one hundred twenty-three million, twenty-one thousand, three hundred thirty".