105321402 has 12 divisors (see below), whose sum is σ = 228196410. Its totient is φ = 35107128.

The previous prime is 105321401. The next prime is 105321413. The reversal of 105321402 is 204123501.

It can be written as a sum of positive squares in only one way, i.e., 90041121 + 15280281 = 9489^2 + 3909^2 .

It is a super-2 number, since 2×105321402² = 22185195438491208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 5851189 = 105321402 / (1 + 0 + 5 + 3 + 2 + 1 + 4 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (105321401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2925577 + ... + 2925612.

Almost surely, 2^105321402 is an apocalyptic number.

105321402 is an abundant number, since it is smaller than the sum of its proper divisors (122875008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105321402 is a wasteful number, since it uses less digits than its factorization.

105321402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5851197 (or 5851194 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 105321402 is about 10262.6215948947. The cubic root of 105321402 is about 472.2502652740.

Adding to 105321402 its reverse (204123501), we get a palindrome (309444903).

The spelling of 105321402 in words is "one hundred five million, three hundred twenty-one thousand, four hundred two".