1111886242 has 4 divisors (see below), whose sum is σ = 1667829366. Its totient is φ = 555943120.

The previous prime is 1111886231. The next prime is 1111886261. The reversal of 1111886242 is 2426881111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1104964081 + 6922161 = 33241^2 + 2631^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1111886198 and 1111886207.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277971559 + ... + 277971562.

Almost surely, 2^1111886242 is an apocalyptic number.

1111886242 is a deficient number, since it is larger than the sum of its proper divisors (555943124).

1111886242 is an equidigital number, since it uses as much as digits as its factorization.

1111886242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555943123.

The product of its digits is 6144, while the sum is 34.

The square root of 1111886242 is about 33344.9582695795. The cubic root of 1111886242 is about 1035.9849638551.

The spelling of 1111886242 in words is "one billion, one hundred eleven million, eight hundred eighty-six thousand, two hundred forty-two".