106121553 has 8 divisors (see below), whose sum is σ = 143085600. Its totient is φ = 69952608.

The previous prime is 106121551. The next prime is 106121591. The reversal of 106121553 is 355121601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 106121553 - 2¹ = 106121551 is a prime.

It is a super-2 number, since 2×106121553² = 22523568022263618, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (106121551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198463 + ... + 198996.

It is an arithmetic number, because the mean of its divisors is an integer number (17885700).

Almost surely, 2^106121553 is an apocalyptic number.

It is an amenable number.

106121553 is a deficient number, since it is larger than the sum of its proper divisors (36964047).

106121553 is an equidigital number, since it uses as much as digits as its factorization.

106121553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397551.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 106121553 is about 10301.5315851576. The cubic root of 106121553 is about 473.4431808248.

The spelling of 106121553 in words is "one hundred six million, one hundred twenty-one thousand, five hundred fifty-three".