1123740400 has 30 divisors (see below), whose sum is σ = 2699787272. Its totient is φ = 449496000.

The previous prime is 1123740391. The next prime is 1123740413. The reversal of 1123740400 is 40473211.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1404276 + ... + 1405075.

Almost surely, 2^1123740400 is an apocalyptic number.

1123740400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123740400 is an abundant number, since it is smaller than the sum of its proper divisors (1576046872).

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

1123740400 is a wasteful number, since it uses less digits than its factorization.

1123740400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2809369 (or 2809358 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 1123740400 is about 33522.2373954961. The cubic root of 1123740400 is about 1039.6536075197.

The spelling of 1123740400 in words is "one billion, one hundred twenty-three million, seven hundred forty thousand, four hundred".