1018080252 has 120 divisors (see below), whose sum is σ = 3104085600. Its totient is φ = 290848320.

The previous prime is 1018080251. The next prime is 1018080253. The reversal of 1018080252 is 2520808101.

It is an interprime number because it is at equal distance from previous prime (1018080251) and next prime (1018080253).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1018080251) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 106552 + ... + 115712.

It is an arithmetic number, because the mean of its divisors is an integer number (25867380).

Almost surely, 2^1018080252 is an apocalyptic number.

1018080252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1018080252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1552042800).

1018080252 is an abundant number, since it is smaller than the sum of its proper divisors (2086005348).

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

1018080252 is an equidigital number, since it uses as much as digits as its factorization.

1018080252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9198 (or 9173 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 1018080252 is about 31907.3698696712. The cubic root of 1018080252 is about 1005.9907894396.

Adding to 1018080252 its reverse (2520808101), we get a palindrome (3538888353).

The spelling of 1018080252 in words is "one billion, eighteen million, eighty thousand, two hundred fifty-two".