1044621102 has 96 divisors (see below), whose sum is σ = 2618352000. Its totient is φ = 276115392.

The previous prime is 1044621077. The next prime is 1044621113. The reversal of 1044621102 is 2011264401.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 238024 + ... + 242372.

It is an arithmetic number, because the mean of its divisors is an integer number (27274500).

Almost surely, 2^1044621102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1044621102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1309176000).

1044621102 is an abundant number, since it is smaller than the sum of its proper divisors (1573730898).

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

1044621102 is a wasteful number, since it uses less digits than its factorization.

1044621102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4430 (or 4423 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1044621102 is about 32320.5987258900. The cubic root of 1044621102 is about 1014.6577998229.

Adding to 1044621102 its reverse (2011264401), we get a palindrome (3055885503).

The spelling of 1044621102 in words is "one billion, forty-four million, six hundred twenty-one thousand, one hundred two".