1123735412 has 12 divisors (see below), whose sum is σ = 1998775716. Its totient is φ = 552656640.

The previous prime is 1123735409. The next prime is 1123735429. The reversal of 1123735412 is 2145373211.

It can be written as a sum of positive squares in 2 ways, for example, as 166823056 + 956912356 = 12916^2 + 30934^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2302493 + ... + 2302980.

It is an arithmetic number, because the mean of its divisors is an integer number (166564643).

Almost surely, 2^1123735412 is an apocalyptic number.

It is an amenable number.

1123735412 is a deficient number, since it is larger than the sum of its proper divisors (875040304).

1123735412 is a wasteful number, since it uses less digits than its factorization.

1123735412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4605538 (or 4605536 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 1123735412 is about 33522.1629970382. The cubic root of 1123735412 is about 1039.6520692641.

The spelling of 1123735412 in words is "one billion, one hundred twenty-three million, seven hundred thirty-five thousand, four hundred twelve".