1041121404 has 96 divisors (see below), whose sum is σ = 2863150080. Its totient is φ = 326462400.

The previous prime is 1041121399. The next prime is 1041121409. The reversal of 1041121404 is 4041211401.

It is an interprime number because it is at equal distance from previous prime (1041121399) and next prime (1041121409).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1041121409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148089 + ... + 154959.

It is an arithmetic number, because the mean of its divisors is an integer number (29824480).

Almost surely, 2^1041121404 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 1041121404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1431575040).

1041121404 is an abundant number, since it is smaller than the sum of its proper divisors (1822028676).

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

1041121404 is a wasteful number, since it uses less digits than its factorization.

1041121404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6968 (or 6960 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1041121404 is about 32266.4129397738. The cubic root of 1041121404 is about 1013.5234271819.

Adding to 1041121404 its reverse (4041211401), we get a palindrome (5082332805).

The spelling of 1041121404 in words is "one billion, forty-one million, one hundred twenty-one thousand, four hundred four".