1111124642 has 8 divisors (see below), whose sum is σ = 1666828800. Its totient is φ = 555515044.

The previous prime is 1111124633. The next prime is 1111124657. The reversal of 1111124642 is 2464211111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30959 + ... + 56397.

It is an arithmetic number, because the mean of its divisors is an integer number (208353600).

Almost surely, 2^1111124642 is an apocalyptic number.

1111124642 is a deficient number, since it is larger than the sum of its proper divisors (555704158).

1111124642 is a wasteful number, since it uses less digits than its factorization.

1111124642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47280.

The product of its digits is 384, while the sum is 23.

The square root of 1111124642 is about 33333.5362960488. The cubic root of 1111124642 is about 1035.7483729960.

Adding to 1111124642 its reverse (2464211111), we get a palindrome (3575335753).

It can be divided in two parts, 11111 and 24642, that added together give a palindrome (35753).

The spelling of 1111124642 in words is "one billion, one hundred eleven million, one hundred twenty-four thousand, six hundred forty-two".