1123074156 has 12 divisors (see below), whose sum is σ = 2620506392. Its totient is φ = 374358048.

The previous prime is 1123074151. The next prime is 1123074221. The reversal of 1123074156 is 6514703211.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1123074156² = 2522591119750224672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1123074151) 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, 46794745 + ... + 46794768.

Almost surely, 2^1123074156 is an apocalyptic number.

It is an amenable number.

1123074156 is an abundant number, since it is smaller than the sum of its proper divisors (1497432236).

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

1123074156 is a wasteful number, since it uses less digits than its factorization.

1123074156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93589520 (or 93589518 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 1123074156 is about 33512.2985782832. The cubic root of 1123074156 is about 1039.4481033801.

Adding to 1123074156 its reverse (6514703211), we get a palindrome (7637777367).

The spelling of 1123074156 in words is "one billion, one hundred twenty-three million, seventy-four thousand, one hundred fifty-six".