1020001104 has 30 divisors (see below), whose sum is σ = 2854586826. Its totient is φ = 340000320.

The previous prime is 1020001063. The next prime is 1020001133. The reversal of 1020001104 is 4011000201.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 822542400 + 197458704 = 28680^2 + 14052^2 .

It is a super-2 number, since 2×1020001104² = 2080804504322437632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3541527 + ... + 3541814.

Almost surely, 2^1020001104 is an apocalyptic number.

It is an amenable number.

1020001104 is an abundant number, since it is smaller than the sum of its proper divisors (1834585722).

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

1020001104 is a wasteful number, since it uses less digits than its factorization.

1020001104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7083355 (or 7083346 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1020001104 is about 31937.4561291284. The cubic root of 1020001104 is about 1006.6230727337.

Adding to 1020001104 its reverse (4011000201), we get a palindrome (5031001305).

The spelling of 1020001104 in words is "one billion, twenty million, one thousand, one hundred four".