103255421 has 4 divisors (see below), whose sum is σ = 103587744. Its totient is φ = 102923100.

The previous prime is 103255391. The next prime is 103255429. The reversal of 103255421 is 124552301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 103255421 - 2⁶ = 103255357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103255429) 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, 165695 + ... + 166316.

It is an arithmetic number, because the mean of its divisors is an integer number (25896936).

Almost surely, 2^103255421 is an apocalyptic number.

It is an amenable number.

103255421 is a deficient number, since it is larger than the sum of its proper divisors (332323).

103255421 is an equidigital number, since it uses as much as digits as its factorization.

103255421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332322.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 103255421 is about 10161.4674629209. The cubic root of 103255421 is about 469.1419700740.

The spelling of 103255421 in words is "one hundred three million, two hundred fifty-five thousand, four hundred twenty-one".