105250520 has 16 divisors (see below), whose sum is σ = 236813760. Its totient is φ = 42100192.

The previous prime is 105250493. The next prime is 105250547. The reversal of 105250520 is 25052501.

It is an interprime number because it is at equal distance from previous prime (105250493) and next prime (105250547).

It is a super-2 number, since 2×105250520² = 22155343920540800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 105250492 and 105250501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1315592 + ... + 1315671.

It is an arithmetic number, because the mean of its divisors is an integer number (14800860).

Almost surely, 2^105250520 is an apocalyptic number.

105250520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105250520 is an abundant number, since it is smaller than the sum of its proper divisors (131563240).

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

105250520 is a wasteful number, since it uses less digits than its factorization.

105250520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2631274 (or 2631270 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 105250520 is about 10259.1676075596. The cubic root of 105250520 is about 472.1442989813.

The spelling of 105250520 in words is "one hundred five million, two hundred fifty thousand, five hundred twenty".