1004120032 has 48 divisors (see below), whose sum is σ = 2029769280. Its totient is φ = 488739328.

The previous prime is 1004120027. The next prime is 1004120063. The reversal of 1004120032 is 2300214001.

It is a junction number, because it is equal to n+sod(n) for n = 1004119994 and 1004120021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294594 + ... + 297982.

It is an arithmetic number, because the mean of its divisors is an integer number (42286860).

Almost surely, 2^1004120032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1004120032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1014884640).

1004120032 is an abundant number, since it is smaller than the sum of its proper divisors (1025649248).

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

1004120032 is a wasteful number, since it uses less digits than its factorization.

1004120032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3643 (or 3635 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1004120032 is about 31687.8530670666. The cubic root of 1004120032 is about 1001.3714622315.

Adding to 1004120032 its reverse (2300214001), we get a palindrome (3304334033).

The spelling of 1004120032 in words is "one billion, four million, one hundred twenty thousand, thirty-two".