1101128735 has 48 divisors (see below), whose sum is σ = 1587142656. Its totient is φ = 730804032.

The previous prime is 1101128729. The next prime is 1101128767. The reversal of 1101128735 is 5378211011.

It is not a de Polignac number, because 1101128735 - 2¹² = 1101124639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101128698 and 1101128707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1337534 + ... + 1338356.

It is an arithmetic number, because the mean of its divisors is an integer number (33065472).

Almost surely, 2^1101128735 is an apocalyptic number.

1101128735 is a deficient number, since it is larger than the sum of its proper divisors (486013921).

1101128735 is a wasteful number, since it uses less digits than its factorization.

1101128735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012 (or 1005 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 29.

The square root of 1101128735 is about 33183.2598609600. The cubic root of 1101128735 is about 1032.6330767858.

Adding to 1101128735 its reverse (5378211011), we get a palindrome (6479339746).

The spelling of 1101128735 in words is "one billion, one hundred one million, one hundred twenty-eight thousand, seven hundred thirty-five".