106036621 has 4 divisors (see below), whose sum is σ = 106063452. Its totient is φ = 106009792.

The previous prime is 106036613. The next prime is 106036627. The reversal of 106036621 is 126630601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 126630601 = 79 ⋅1602919.

It can be written as a sum of positive squares in 2 ways, for example, as 38303721 + 67732900 = 6189^2 + 8230^2 .

It is a cyclic number.

It is not a de Polignac number, because 106036621 - 2³ = 106036613 is a prime.

It is a super-2 number, since 2×106036621² = 22487529986195282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106036627) 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, 6190 + ... + 15823.

It is an arithmetic number, because the mean of its divisors is an integer number (26515863).

Almost surely, 2^106036621 is an apocalyptic number.

It is an amenable number.

106036621 is a deficient number, since it is larger than the sum of its proper divisors (26831).

106036621 is an equidigital number, since it uses as much as digits as its factorization.

106036621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26830.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 106036621 is about 10297.4084603846. The cubic root of 106036621 is about 473.3168439119.

The spelling of 106036621 in words is "one hundred six million, thirty-six thousand, six hundred twenty-one".