1140102443 has 8 divisors (see below), whose sum is σ = 1158740400. Its totient is φ = 1121608800.

The previous prime is 1140102437. The next prime is 1140102449. The reversal of 1140102443 is 3442010411.

It is an interprime number because it is at equal distance from previous prime (1140102437) and next prime (1140102449).

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

It is a cyclic number.

It is not a de Polignac number, because 1140102443 - 2⁴ = 1140102427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1140102449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20093 + ... + 51806.

It is an arithmetic number, because the mean of its divisors is an integer number (144842550).

Almost surely, 2^1140102443 is an apocalyptic number.

1140102443 is a deficient number, since it is larger than the sum of its proper divisors (18637957).

1140102443 is a wasteful number, since it uses less digits than its factorization.

1140102443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72157.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1140102443 is about 33765.4030480905. The cubic root of 1140102443 is about 1044.6752172470.

Adding to 1140102443 its reverse (3442010411), we get a palindrome (4582112854).

The spelling of 1140102443 in words is "one billion, one hundred forty million, one hundred two thousand, four hundred forty-three".