1018125150 has 96 divisors (see below), whose sum is σ = 2902314240. Its totient is φ = 231371520.

The previous prime is 1018125137. The next prime is 1018125151. The reversal of 1018125150 is 515218101.

It is a self number, because there is not a number n which added to its sum of digits gives 1018125150.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1018125151) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 185242 + ... + 190658.

It is an arithmetic number, because the mean of its divisors is an integer number (30232440).

Almost surely, 2^1018125150 is an apocalyptic number.

1018125150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1018125150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1451157120).

1018125150 is an abundant number, since it is smaller than the sum of its proper divisors (1884189090).

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

1018125150 is a wasteful number, since it uses less digits than its factorization.

1018125150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5618 (or 5613 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 24.

The square root of 1018125150 is about 31908.0734297764. The cubic root of 1018125150 is about 1006.0055775045.

The spelling of 1018125150 in words is "one billion, eighteen million, one hundred twenty-five thousand, one hundred fifty".