1125618143 has 8 divisors (see below), whose sum is σ = 1212464736. Its totient is φ = 1038808800.

The previous prime is 1125618101. The next prime is 1125618163. The reversal of 1125618143 is 3418165211.

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 1125618143 - 2¹⁴ = 1125601759 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 (1125618163) 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 7 ways as a sum of consecutive naturals, for example, 114638 + ... + 124068.

It is an arithmetic number, because the mean of its divisors is an integer number (151558092).

Almost surely, 2^1125618143 is an apocalyptic number.

1125618143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1125618143 is a deficient number, since it is larger than the sum of its proper divisors (86846593).

1125618143 is an equidigital number, since it uses as much as digits as its factorization.

1125618143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18625.

The product of its digits is 5760, while the sum is 32.

The square root of 1125618143 is about 33550.2331288473. The cubic root of 1125618143 is about 1040.2323639452.

The spelling of 1125618143 in words is "one billion, one hundred twenty-five million, six hundred eighteen thousand, one hundred forty-three".