1140561103 has 8 divisors (see below), whose sum is σ = 1264646736. Its totient is φ = 1019875200.

The previous prime is 1140561091. The next prime is 1140561119. The reversal of 1140561103 is 3011650411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1140561103 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 (1140561143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 849226 + ... + 850567.

It is an arithmetic number, because the mean of its divisors is an integer number (158080842).

Almost surely, 2^1140561103 is an apocalyptic number.

1140561103 is a deficient number, since it is larger than the sum of its proper divisors (124085633).

1140561103 is a wasteful number, since it uses less digits than its factorization.

1140561103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699865.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1140561103 is about 33772.1942283885. The cubic root of 1140561103 is about 1044.8152884306.

The spelling of 1140561103 in words is "one billion, one hundred forty million, five hundred sixty-one thousand, one hundred three".