105402 has 16 divisors (see below), whose sum is σ = 230112. Its totient is φ = 31920.

The previous prime is 105401. The next prime is 105407. The reversal of 105402 is 204501.

It is a super-2 number, since 2×105402² = 22219163208, which contains 22 as substring.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (105401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 733 + ... + 864.

It is an arithmetic number, because the mean of its divisors is an integer number (14382).

2¹⁰⁵⁴⁰² is an apocalyptic number.

105402 is an abundant number, since it is smaller than the sum of its proper divisors (124710).

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

105402 is a wasteful number, since it uses less digits than its factorization.

105402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 105402 is about 324.6567418059. The cubic root of 105402 is about 47.2370698922.

Adding to 105402 its reverse (204501), we get a palindrome (309903).

Subtracting 105402 from its reverse (204501), we obtain a palindrome (99099).

The spelling of 105402 in words is "one hundred five thousand, four hundred two".