1101405260 has 48 divisors (see below), whose sum is σ = 2345112000. Its totient is φ = 434463744.

The previous prime is 1101405223. The next prime is 1101405287. The reversal of 1101405260 is 625041011.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 1065704 + ... + 1066736.

It is an arithmetic number, because the mean of its divisors is an integer number (48856500).

Almost surely, 2^1101405260 is an apocalyptic number.

1101405260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101405260 is an abundant number, since it is smaller than the sum of its proper divisors (1243706740).

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

1101405260 is a wasteful number, since it uses less digits than its factorization.

1101405260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1730 (or 1728 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1101405260 is about 33187.4262334397. The cubic root of 1101405260 is about 1032.7195108096.

Adding to 1101405260 its reverse (625041011), we get a palindrome (1726446271).

The spelling of 1101405260 in words is "one billion, one hundred one million, four hundred five thousand, two hundred sixty".