105031080 has 320 divisors, whose sum is σ = 441175680. Its totient is φ = 21772800.

The previous prime is 105031067. The next prime is 105031097. The reversal of 105031080 is 80130501.

It is a happy number.

It is a super-2 number, since 2×105031080² = 22063055531932800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 249270 + ... + 249690.

It is an arithmetic number, because the mean of its divisors is an integer number (1378674).

Almost surely, 2^105031080 is an apocalyptic number.

105031080 is a gapful number since it is divisible by the number (10) 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 105031080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220587840).

105031080 is an abundant number, since it is smaller than the sum of its proper divisors (336144600).

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

105031080 is a wasteful number, since it uses less digits than its factorization.

105031080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 105031080 is about 10248.4672024650. The cubic root of 105031080 is about 471.8159413536.

Adding to 105031080 its reverse (80130501), we get a palindrome (185161581).

The spelling of 105031080 in words is "one hundred five million, thirty-one thousand, eighty".