1101705472 has 72 divisors (see below), whose sum is σ = 2524683392. Its totient is φ = 470016000.

The previous prime is 1101705461. The next prime is 1101705499. The reversal of 1101705472 is 2745071011.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 1101705472.

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, 430597 + ... + 433147.

Almost surely, 2^1101705472 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 1101705472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1262341696).

1101705472 is an abundant number, since it is smaller than the sum of its proper divisors (1422977920).

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

1101705472 is an equidigital number, since it uses as much as digits as its factorization.

1101705472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815 (or 2801 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 28.

The square root of 1101705472 is about 33191.9489033109. The cubic root of 1101705472 is about 1032.8133323532.

Adding to 1101705472 its reverse (2745071011), we get a palindrome (3846776483).

The spelling of 1101705472 in words is "one billion, one hundred one million, seven hundred five thousand, four hundred seventy-two".