1122540104 has 64 divisors (see below), whose sum is σ = 2491637760. Its totient is φ = 464143680.

The previous prime is 1122540061. The next prime is 1122540113. The reversal of 1122540104 is 4010452211.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183869 + ... + 189875.

It is an arithmetic number, because the mean of its divisors is an integer number (38931840).

Almost surely, 2^1122540104 is an apocalyptic number.

1122540104 is a gapful number since it is divisible by the number (14) 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 1122540104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1245818880).

1122540104 is an abundant number, since it is smaller than the sum of its proper divisors (1369097656).

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

1122540104 is a wasteful number, since it uses less digits than its factorization.

1122540104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6138 (or 6134 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1122540104 is about 33504.3296306612. The cubic root of 1122540104 is about 1039.2833154035.

Adding to 1122540104 its reverse (4010452211), we get a palindrome (5132992315).

The spelling of 1122540104 in words is "one billion, one hundred twenty-two million, five hundred forty thousand, one hundred four".