105231270 has 16 divisors (see below), whose sum is σ = 252555120. Its totient is φ = 28061664.

The previous prime is 105231211. The next prime is 105231281. The reversal of 105231270 is 72132501.

It is a super-2 number, since 2×105231270² = 22147240371625800, which contains 22 as substring.

It is a congruent number.

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, 1753825 + ... + 1753884.

It is an arithmetic number, because the mean of its divisors is an integer number (15784695).

Almost surely, 2^105231270 is an apocalyptic number.

105231270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105231270 is an abundant number, since it is smaller than the sum of its proper divisors (147323850).

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

105231270 is a wasteful number, since it uses less digits than its factorization.

105231270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3507719.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 105231270 is about 10258.2293793812. The cubic root of 105231270 is about 472.1155126408.

Adding to 105231270 its reverse (72132501), we get a palindrome (177363771).

It can be divided in two parts, 105231 and 270, that added together give a palindrome (105501).

The spelling of 105231270 in words is "one hundred five million, two hundred thirty-one thousand, two hundred seventy".