106010621 has 4 divisors (see below), whose sum is σ = 107103612. Its totient is φ = 104917632.

The previous prime is 106010617. The next prime is 106010627. The reversal of 106010621 is 126010601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 126010601 = 3613 ⋅34877.

It can be written as a sum of positive squares in 2 ways, for example, as 39000025 + 67010596 = 6245^2 + 8186^2 .

It is a cyclic number.

It is not a de Polignac number, because 106010621 - 2² = 106010617 is a prime.

It is a super-2 number, since 2×106010621² = 22476503529611282, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 106010621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106010627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546350 + ... + 546543.

It is an arithmetic number, because the mean of its divisors is an integer number (26775903).

Almost surely, 2^106010621 is an apocalyptic number.

It is an amenable number.

106010621 is a deficient number, since it is larger than the sum of its proper divisors (1092991).

106010621 is an equidigital number, since it uses as much as digits as its factorization.

106010621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092990.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 106010621 is about 10296.1459294243. The cubic root of 106010621 is about 473.2781552532.

The spelling of 106010621 in words is "one hundred six million, ten thousand, six hundred twenty-one".