1125618142 has 8 divisors (see below), whose sum is σ = 1841920632. Its totient is φ = 511644600.

The previous prime is 1125618101. The next prime is 1125618163. The reversal of 1125618142 is 2418165211.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25582209 + ... + 25582252.

It is an arithmetic number, because the mean of its divisors is an integer number (230240079).

Almost surely, 2^1125618142 is an apocalyptic number.

1125618142 is a deficient number, since it is larger than the sum of its proper divisors (716302490).

1125618142 is a wasteful number, since it uses less digits than its factorization.

1125618142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51164474.

The product of its digits is 3840, while the sum is 31.

The square root of 1125618142 is about 33550.2331139442. The cubic root of 1125618142 is about 1040.2323636371.

The spelling of 1125618142 in words is "one billion, one hundred twenty-five million, six hundred eighteen thousand, one hundred forty-two".