1101045743 has 16 divisors (see below), whose sum is σ = 1275518976. Its totient is φ = 930938400.

The previous prime is 1101045731. The next prime is 1101045761. The reversal of 1101045743 is 3475401011.

It is not a de Polignac number, because 1101045743 - 2⁶ = 1101045679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101045703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197330 + ... + 202832.

It is an arithmetic number, because the mean of its divisors is an integer number (79719936).

Almost surely, 2^1101045743 is an apocalyptic number.

1101045743 is a deficient number, since it is larger than the sum of its proper divisors (174473233).

1101045743 is a wasteful number, since it uses less digits than its factorization.

1101045743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5894.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 1101045743 is about 33182.0093273448. The cubic root of 1101045743 is about 1032.6071329717.

Adding to 1101045743 its reverse (3475401011), we get a palindrome (4576446754).

The spelling of 1101045743 in words is "one billion, one hundred one million, forty-five thousand, seven hundred forty-three".