106017621 has 4 divisors (see below), whose sum is σ = 141356832. Its totient is φ = 70678412.

The previous prime is 106017607. The next prime is 106017623. The reversal of 106017621 is 126710601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 106017621 - 2⁷ = 106017493 is a prime.

It is a super-2 number, since 2×106017621² = 22479471924999282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 106017591 and 106017600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106017623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17669601 + ... + 17669606.

It is an arithmetic number, because the mean of its divisors is an integer number (35339208).

Almost surely, 2^106017621 is an apocalyptic number.

It is an amenable number.

106017621 is a deficient number, since it is larger than the sum of its proper divisors (35339211).

106017621 is an equidigital number, since it uses as much as digits as its factorization.

106017621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35339210.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 106017621 is about 10296.4858568348. The cubic root of 106017621 is about 473.2885720528.

It can be divided in two parts, 1060 and 17621, that added together give a palindrome (18681).

The spelling of 106017621 in words is "one hundred six million, seventeen thousand, six hundred twenty-one".