1105121734 has 16 divisors (see below), whose sum is σ = 1727373600. Its totient is φ = 529609024.

The previous prime is 1105121723. The next prime is 1105121761. The reversal of 1105121734 is 4371215011.

It is a junction number, because it is equal to n+sod(n) for n = 1105121699 and 1105121708.

It is a congruent number.

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, 61594 + ... + 77485.

It is an arithmetic number, because the mean of its divisors is an integer number (107960850).

Almost surely, 2^1105121734 is an apocalyptic number.

1105121734 is a deficient number, since it is larger than the sum of its proper divisors (622251866).

1105121734 is a wasteful number, since it uses less digits than its factorization.

1105121734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139247.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 1105121734 is about 33243.3712790986. The cubic root of 1105121734 is about 1033.8797759373.

Adding to 1105121734 its reverse (4371215011), we get a palindrome (5476336745).

The spelling of 1105121734 in words is "one billion, one hundred five million, one hundred twenty-one thousand, seven hundred thirty-four".