1115125143 has 32 divisors (see below), whose sum is σ = 1724371200. Its totient is φ = 633888000.

The previous prime is 1115125133. The next prime is 1115125157. The reversal of 1115125143 is 3415215111.

It is not a de Polignac number, because 1115125143 - 2⁵ = 1115125111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115125133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54523 + ... + 72131.

It is an arithmetic number, because the mean of its divisors is an integer number (53886600).

Almost surely, 2^1115125143 is an apocalyptic number.

1115125143 is a deficient number, since it is larger than the sum of its proper divisors (609246057).

1115125143 is a wasteful number, since it uses less digits than its factorization.

1115125143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17743.

The product of its digits is 600, while the sum is 24.

The square root of 1115125143 is about 33393.4895301464. The cubic root of 1115125143 is about 1036.9899227410.

The spelling of 1115125143 in words is "one billion, one hundred fifteen million, one hundred twenty-five thousand, one hundred forty-three".