103367421 has 20 divisors (see below), whose sum is σ = 155104092. Its totient is φ = 68603328.

The previous prime is 103367419. The next prime is 103367441. The reversal of 103367421 is 124763301.

It can be written as a sum of positive squares in 2 ways, for example, as 73719396 + 29648025 = 8586^2 + 5445^2 .

It is not a de Polignac number, because 103367421 - 2¹ = 103367419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103367441) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16135 + ... + 21611.

Almost surely, 2^103367421 is an apocalyptic number.

It is an amenable number.

103367421 is a deficient number, since it is larger than the sum of its proper divisors (51736671).

103367421 is an equidigital number, since it uses as much as digits as its factorization.

103367421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5722 (or 5713 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 103367421 is about 10166.9769843351. The cubic root of 103367421 is about 469.3115331299.

The spelling of 103367421 in words is "one hundred three million, three hundred sixty-seven thousand, four hundred twenty-one".