105421346 has 16 divisors (see below), whose sum is σ = 162792504. Its totient is φ = 51177984.

The previous prime is 105421339. The next prime is 105421357. The reversal of 105421346 is 643124501.

105421346 = 451² + 452² + ... + 741².

It can be written as a sum of positive squares in 4 ways, for example, as 79299025 + 26122321 = 8905^2 + 5111^2 .

It is a super-2 number, since 2×105421346² = 22227320384903432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5156 + ... + 15408.

Almost surely, 2^105421346 is an apocalyptic number.

105421346 is a deficient number, since it is larger than the sum of its proper divisors (57371158).

105421346 is a wasteful number, since it uses less digits than its factorization.

105421346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10405.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 105421346 is about 10267.4897613779. The cubic root of 105421346 is about 472.3995975651.

Adding to 105421346 its reverse (643124501), we get a palindrome (748545847).

The spelling of 105421346 in words is "one hundred five million, four hundred twenty-one thousand, three hundred forty-six".