106620925 has 6 divisors (see below), whose sum is σ = 132209978. Its totient is φ = 85296720.

The previous prime is 106620911. The next prime is 106620967. The reversal of 106620925 is 529026601.

It can be written as a sum of positive squares in 3 ways, for example, as 21132409 + 85488516 = 4597^2 + 9246^2 .

It is a de Polignac number, because none of the positive numbers 2^k-106620925 is a prime.

It is a super-2 number, since 2×106620925² = 22736043295711250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2132394 + ... + 2132443.

Almost surely, 2^106620925 is an apocalyptic number.

It is an amenable number.

106620925 is a deficient number, since it is larger than the sum of its proper divisors (25589053).

106620925 is an equidigital number, since it uses as much as digits as its factorization.

106620925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4264847 (or 4264842 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 106620925 is about 10325.7408935146. The cubic root of 106620925 is about 474.1846399779.

The spelling of 106620925 in words is "one hundred six million, six hundred twenty thousand, nine hundred twenty-five".