105425420 has 48 divisors (see below), whose sum is σ = 231022848. Its totient is φ = 40366080.

The previous prime is 105425407. The next prime is 105425429. The reversal of 105425420 is 24524501.

It is a happy number.

It is a super-2 number, since 2×105425420² = 22229038364352800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105425429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59264 + ... + 61016.

It is an arithmetic number, because the mean of its divisors is an integer number (4812976).

Almost surely, 2^105425420 is an apocalyptic number.

105425420 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 105425420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115511424).

105425420 is an abundant number, since it is smaller than the sum of its proper divisors (125597428).

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

105425420 is a wasteful number, since it uses less digits than its factorization.

105425420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890 (or 1888 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 105425420 is about 10267.6881526466. The cubic root of 105425420 is about 472.4056827691.

Adding to 105425420 its reverse (24524501), we get a palindrome (129949921).

The spelling of 105425420 in words is "one hundred five million, four hundred twenty-five thousand, four hundred twenty".