1149789043 has 8 divisors (see below), whose sum is σ = 1240072848. Its totient is φ = 1059767904.

The previous prime is 1149789041. The next prime is 1149789107. The reversal of 1149789043 is 3409879411.

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

It is not a de Polignac number, because 1149789043 - 2¹ = 1149789041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1149788984 and 1149789002.

It is not an unprimeable number, because it can be changed into a prime (1149789041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56521 + ... + 74122.

It is an arithmetic number, because the mean of its divisors is an integer number (155009106).

Almost surely, 2^1149789043 is an apocalyptic number.

1149789043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1149789043 is a deficient number, since it is larger than the sum of its proper divisors (90283805).

1149789043 is a wasteful number, since it uses less digits than its factorization.

1149789043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131333.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 1149789043 is about 33908.5393816956. The cubic root of 1149789043 is about 1047.6254862264.

The spelling of 1149789043 in words is "one billion, one hundred forty-nine million, seven hundred eighty-nine thousand, forty-three".