1102129044 has 24 divisors (see below), whose sum is σ = 2631441120. Its totient is φ = 358832544.

The previous prime is 1102129043. The next prime is 1102129073. The reversal of 1102129044 is 4409212011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102129043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1067439 + ... + 1068470.

It is an arithmetic number, because the mean of its divisors is an integer number (109643380).

Almost surely, 2^1102129044 is an apocalyptic number.

It is an amenable number.

1102129044 is an abundant number, since it is smaller than the sum of its proper divisors (1529312076).

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

1102129044 is a wasteful number, since it uses less digits than its factorization.

1102129044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135959 (or 2135957 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1102129044 is about 33198.3289338485. The cubic root of 1102129044 is about 1032.9456770882.

The spelling of 1102129044 in words is "one billion, one hundred two million, one hundred twenty-nine thousand, forty-four".