1011104240 has 80 divisors (see below), whose sum is σ = 2531489760. Its totient is φ = 374169600.

The previous prime is 1011104231. The next prime is 1011104249. The reversal of 1011104240 is 424011101.

It is an interprime number because it is at equal distance from previous prime (1011104231) and next prime (1011104249).

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011104249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73940 + ... + 86540.

It is an arithmetic number, because the mean of its divisors is an integer number (31643622).

Almost surely, 2^1011104240 is an apocalyptic number.

1011104240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011104240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1265744880).

1011104240 is an abundant number, since it is smaller than the sum of its proper divisors (1520385520).

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

1011104240 is a wasteful number, since it uses less digits than its factorization.

1011104240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12690 (or 12684 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1011104240 is about 31797.8653371575. The cubic root of 1011104240 is about 1003.6877967705.

Adding to 1011104240 its reverse (424011101), we get a palindrome (1435115341).

The spelling of 1011104240 in words is "one billion, eleven million, one hundred four thousand, two hundred forty".