1111743842 has 16 divisors (see below), whose sum is σ = 1831270464. Its totient is φ = 501990000.

The previous prime is 1111743839. The next prime is 1111743851. The reversal of 1111743842 is 2483471111.

It is a junction number, because it is equal to n+sod(n) for n = 1111743799 and 1111743808.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164009 + ... + 170652.

It is an arithmetic number, because the mean of its divisors is an integer number (114454404).

Almost surely, 2^1111743842 is an apocalyptic number.

1111743842 is a deficient number, since it is larger than the sum of its proper divisors (719526622).

1111743842 is a wasteful number, since it uses less digits than its factorization.

1111743842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334825.

The product of its digits is 5376, while the sum is 32.

The square root of 1111743842 is about 33342.8229458755. The cubic root of 1111743842 is about 1035.9407355424.

The spelling of 1111743842 in words is "one billion, one hundred eleven million, seven hundred forty-three thousand, eight hundred forty-two".