1042240111 has 8 divisors (see below), whose sum is σ = 1138579200. Its totient is φ = 946166040.

The previous prime is 1042240081. The next prime is 1042240139. The reversal of 1042240111 is 1110422401.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1042240111 - 2²⁷ = 908022383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042280111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57981 + ... + 73798.

It is an arithmetic number, because the mean of its divisors is an integer number (142322400).

Almost surely, 2^1042240111 is an apocalyptic number.

1042240111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1042240111 is a deficient number, since it is larger than the sum of its proper divisors (96339089).

1042240111 is a wasteful number, since it uses less digits than its factorization.

1042240111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132509.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1042240111 is about 32283.7437575012. The cubic root of 1042240111 is about 1013.8863146993.

Adding to 1042240111 its reverse (1110422401), we get a palindrome (2152662512).

It can be divided in two parts, 10422401 and 11, that multiplied together give a palindrome (114646411).

The spelling of 1042240111 in words is "one billion, forty-two million, two hundred forty thousand, one hundred eleven".