1231106244 has 12 divisors (see below), whose sum is σ = 2872581264. Its totient is φ = 410368744.

The previous prime is 1231106243. The next prime is 1231106281. The reversal of 1231106244 is 4426011321.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1231106243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51296082 + ... + 51296105.

It is an arithmetic number, because the mean of its divisors is an integer number (239381772).

Almost surely, 2^1231106244 is an apocalyptic number.

It is an amenable number.

1231106244 is an abundant number, since it is smaller than the sum of its proper divisors (1641475020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1231106244 is a wasteful number, since it uses less digits than its factorization.

1231106244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102592194 (or 102592192 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1231106244 is about 35087.1236210665. The cubic root of 1231106244 is about 1071.7623863069.

Adding to 1231106244 its reverse (4426011321), we get a palindrome (5657117565).

The spelling of 1231106244 in words is "one billion, two hundred thirty-one million, one hundred six thousand, two hundred forty-four".