1123501842 has 12 divisors (see below), whose sum is σ = 2434254030. Its totient is φ = 374500608.

The previous prime is 1123501837. The next prime is 1123501849. The reversal of 1123501842 is 2481053211.

1123501842 is a `hidden beast` number, since 112 + 3 + 501 + 8 + 42 = 666.

It can be written as a sum of positive squares in only one way, i.e., 924099201 + 199402641 = 30399^2 + 14121^2 .

It is not an unprimeable number, because it can be changed into a prime (1123501849) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31208367 + ... + 31208402.

Almost surely, 2^1123501842 is an apocalyptic number.

1123501842 is an abundant number, since it is smaller than the sum of its proper divisors (1310752188).

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

1123501842 is a wasteful number, since it uses less digits than its factorization.

1123501842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62416777 (or 62416774 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 1123501842 is about 33518.6790014165. The cubic root of 1123501842 is about 1039.5800332203.

The spelling of 1123501842 in words is "one billion, one hundred twenty-three million, five hundred one thousand, eight hundred forty-two".