1125250016 has 48 divisors (see below), whose sum is σ = 2420454960. Its totient is φ = 510689280.

The previous prime is 1125249991. The next prime is 1125250019. The reversal of 1125250016 is 6100525211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1125249973 and 1125250000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125250019) 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, 268610 + ... + 272766.

It is an arithmetic number, because the mean of its divisors is an integer number (50426145).

Almost surely, 2^1125250016 is an apocalyptic number.

1125250016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1125250016 is an abundant number, since it is smaller than the sum of its proper divisors (1295204944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1125250016 is a wasteful number, since it uses less digits than its factorization.

1125250016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4947 (or 4939 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1125250016 is about 33544.7464739264. The cubic root of 1125250016 is about 1040.1189508914.

Adding to 1125250016 its reverse (6100525211), we get a palindrome (7225775227).

The spelling of 1125250016 in words is "one billion, one hundred twenty-five million, two hundred fifty thousand, sixteen".