1123050312 has 32 divisors (see below), whose sum is σ = 3119584800. Its totient is φ = 374350032.

The previous prime is 1123050301. The next prime is 1123050319. The reversal of 1123050312 is 2130503211.

It is a super-2 number, since 2×1123050312² = 2522484006566594688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1123050319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2599438 + ... + 2599869.

It is an arithmetic number, because the mean of its divisors is an integer number (97487025).

Almost surely, 2^1123050312 is an apocalyptic number.

1123050312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1123050312 is an abundant number, since it is smaller than the sum of its proper divisors (1996534488).

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

1123050312 is a wasteful number, since it uses less digits than its factorization.

1123050312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5199322 (or 5199312 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1123050312 is about 33511.9428264015. The cubic root of 1123050312 is about 1039.4407471499.

Adding to 1123050312 its reverse (2130503211), we get a palindrome (3253553523).

The spelling of 1123050312 in words is "one billion, one hundred twenty-three million, fifty thousand, three hundred twelve".