1244013102 has 12 divisors (see below), whose sum is σ = 2695361760. Its totient is φ = 414671028.

The previous prime is 1244013101. The next prime is 1244013107. The reversal of 1244013102 is 2013104421.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 69111839 = 1244013102 / (1 + 2 + 4 + 4 + 0 + 1 + 3 + 1 + 0 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244013101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34555902 + ... + 34555937.

It is an arithmetic number, because the mean of its divisors is an integer number (224613480).

Almost surely, 2^1244013102 is an apocalyptic number.

1244013102 is an abundant number, since it is smaller than the sum of its proper divisors (1451348658).

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

1244013102 is a wasteful number, since it uses less digits than its factorization.

1244013102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69111847 (or 69111844 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1244013102 is about 35270.5699131727. The cubic root of 1244013102 is about 1075.4948079427.

Adding to 1244013102 its reverse (2013104421), we get a palindrome (3257117523).

The spelling of 1244013102 in words is "one billion, two hundred forty-four million, thirteen thousand, one hundred two".