105121050 has 48 divisors (see below), whose sum is σ = 261649920. Its totient is φ = 27930240.

The previous prime is 105121039. The next prime is 105121061. The reversal of 105121050 is 50121501.

It is an interprime number because it is at equal distance from previous prime (105121039) and next prime (105121061).

It is a super-2 number, since 2×105121050² = 22100870306205000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45831 + ... + 48069.

It is an arithmetic number, because the mean of its divisors is an integer number (5451040).

Almost surely, 2^105121050 is an apocalyptic number.

105121050 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 105121050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130824960).

105121050 is an abundant number, since it is smaller than the sum of its proper divisors (156528870).

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

105121050 is a wasteful number, since it uses less digits than its factorization.

105121050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2567 (or 2562 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 15.

The square root of 105121050 is about 10252.8556997551. The cubic root of 105121050 is about 471.9506226476.

Adding to 105121050 its reverse (50121501), we get a palindrome (155242551).

The spelling of 105121050 in words is "one hundred five million, one hundred twenty-one thousand, fifty".