1111412242 has 16 divisors (see below), whose sum is σ = 1688148000. Its totient is φ = 548713440.

The previous prime is 1111412231. The next prime is 1111412249. The reversal of 1111412242 is 2422141111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1111412249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140509 + ... + 148207.

It is an arithmetic number, because the mean of its divisors is an integer number (105509250).

Almost surely, 2^1111412242 is an apocalyptic number.

1111412242 is a deficient number, since it is larger than the sum of its proper divisors (576735758).

1111412242 is an equidigital number, since it uses as much as digits as its factorization.

1111412242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8601.

The product of its digits is 128, while the sum is 19.

The square root of 1111412242 is about 33337.8499906638. The cubic root of 1111412242 is about 1035.8377285683.

Adding to 1111412242 its reverse (2422141111), we get a palindrome (3533553353).

It can be divided in two parts, 11 and 11412242, that added together give a triangular number (11412253 = T₄₇₇₇).

The spelling of 1111412242 in words is "one billion, one hundred eleven million, four hundred twelve thousand, two hundred forty-two".