1044402101 has 8 divisors (see below), whose sum is σ = 1097769024. Its totient is φ = 991698400.

The previous prime is 1044402083. The next prime is 1044402113. The reversal of 1044402101 is 1012044401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1044402101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1044402101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044402131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162575 + ... + 168876.

It is an arithmetic number, because the mean of its divisors is an integer number (137221128).

Almost surely, 2^1044402101 is an apocalyptic number.

It is an amenable number.

1044402101 is a deficient number, since it is larger than the sum of its proper divisors (53366923).

1044402101 is a wasteful number, since it uses less digits than its factorization.

1044402101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331611.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1044402101 is about 32317.2106005453. The cubic root of 1044402101 is about 1014.5868884329.

Adding to 1044402101 its reverse (1012044401), we get a palindrome (2056446502).

The spelling of 1044402101 in words is "one billion, forty-four million, four hundred two thousand, one hundred one".