1123461042 has 48 divisors (see below), whose sum is σ = 2478996576. Its totient is φ = 339169600.

The previous prime is 1123461023. The next prime is 1123461047. The reversal of 1123461042 is 2401643211.

It is not an unprimeable number, because it can be changed into a prime (1123461047) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 201253 + ... + 206759.

It is an arithmetic number, because the mean of its divisors is an integer number (51645762).

Almost surely, 2^1123461042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1123461042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1239498288).

1123461042 is an abundant number, since it is smaller than the sum of its proper divisors (1355535534).

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

1123461042 is a wasteful number, since it uses less digits than its factorization.

1123461042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5815 (or 5804 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1123461042 is about 33518.0703800204. The cubic root of 1123461042 is about 1039.5674489422.

The spelling of 1123461042 in words is "one billion, one hundred twenty-three million, four hundred sixty-one thousand, forty-two".