106420250 has 16 divisors (see below), whose sum is σ = 199219176. Its totient is φ = 42568000.

The previous prime is 106420229. The next prime is 106420253. The reversal of 106420250 is 52024601.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 36881329 + 69538921 = 6073^2 + 8339^2 .

It is a super-2 number, since 2×106420250² = 22650539220125000, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (106420253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212591 + ... + 213090.

Almost surely, 2^106420250 is an apocalyptic number.

106420250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

106420250 is a deficient number, since it is larger than the sum of its proper divisors (92798926).

106420250 is an equidigital number, since it uses as much as digits as its factorization.

106420250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425698 (or 425688 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 106420250 is about 10316.0190965314. The cubic root of 106420250 is about 473.8869599350.

Adding to 106420250 its reverse (52024601), we get a palindrome (158444851).

The spelling of 106420250 in words is "one hundred six million, four hundred twenty thousand, two hundred fifty".