1241112101 has 4 divisors (see below), whose sum is σ = 1283909100. Its totient is φ = 1198315104.

The previous prime is 1241112097. The next prime is 1241112121. The reversal of 1241112101 is 1012111421.

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

It can be written as a sum of positive squares in 2 ways, for example, as 774508900 + 466603201 = 27830^2 + 21601^2 .

It is a cyclic number.

It is not a de Polignac number, because 1241112101 - 2² = 1241112097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241112121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21398456 + ... + 21398513.

It is an arithmetic number, because the mean of its divisors is an integer number (320977275).

Almost surely, 2^1241112101 is an apocalyptic number.

It is an amenable number.

1241112101 is a deficient number, since it is larger than the sum of its proper divisors (42796999).

1241112101 is an equidigital number, since it uses as much as digits as its factorization.

1241112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42796998.

The product of its (nonzero) digits is 16, while the sum is 14.

The square root of 1241112101 is about 35229.4209574895. The cubic root of 1241112101 is about 1074.6581501099.

Adding to 1241112101 its reverse (1012111421), we get a palindrome (2253223522).

The spelling of 1241112101 in words is "one billion, two hundred forty-one million, one hundred twelve thousand, one hundred one".