103621255 has 4 divisors (see below), whose sum is σ = 124345512. Its totient is φ = 82897000.

The previous prime is 103621247. The next prime is 103621283. The reversal of 103621255 is 552126301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 552126301 = 19 ⋅29059279.

It is not a de Polignac number, because 103621255 - 2³ = 103621247 is a prime.

It is a super-3 number, since 3×103621255³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10362121 + ... + 10362130.

It is an arithmetic number, because the mean of its divisors is an integer number (31086378).

Almost surely, 2^103621255 is an apocalyptic number.

103621255 is a deficient number, since it is larger than the sum of its proper divisors (20724257).

103621255 is an equidigital number, since it uses as much as digits as its factorization.

103621255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20724256.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 103621255 is about 10179.4525884254. The cubic root of 103621255 is about 469.6953737502.

Adding to 103621255 its reverse (552126301), we get a palindrome (655747556).

The spelling of 103621255 in words is "one hundred three million, six hundred twenty-one thousand, two hundred fifty-five".