106621053 has 48 divisors (see below), whose sum is σ = 182078976. Its totient is φ = 53903520.

The previous prime is 106621049. The next prime is 106621069. The reversal of 106621053 is 350126601.

It is not a de Polignac number, because 106621053 - 2² = 106621049 is a prime.

It is a super-2 number, since 2×106621053² = 22736097885657618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106621153) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1284550 + ... + 1284632.

It is an arithmetic number, because the mean of its divisors is an integer number (3793312).

Almost surely, 2^106621053 is an apocalyptic number.

It is an amenable number.

106621053 is a deficient number, since it is larger than the sum of its proper divisors (75457923).

106621053 is an equidigital number, since it uses as much as digits as its factorization.

106621053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 106621053 is about 10325.7470916152. The cubic root of 106621053 is about 474.1848297330.

Adding to 106621053 its reverse (350126601), we get a palindrome (456747654).

The spelling of 106621053 in words is "one hundred six million, six hundred twenty-one thousand, fifty-three".