132420105 has 12 divisors (see below), whose sum is σ = 229528260. Its totient is φ = 70624032.

The previous prime is 132420049. The next prime is 132420107. The reversal of 132420105 is 501024231.

It can be written as a sum of positive squares in 2 ways, for example, as 103550976 + 28869129 = 10176^2 + 5373^2 .

It is not a de Polignac number, because 132420105 - 2⁷ = 132419977 is a prime.

It is a super-2 number, since 2×132420105² = 35070168416422050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (132420107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1471290 + ... + 1471379.

It is an arithmetic number, because the mean of its divisors is an integer number (19127355).

Almost surely, 2^132420105 is an apocalyptic number.

132420105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

132420105 is a deficient number, since it is larger than the sum of its proper divisors (97108155).

132420105 is a wasteful number, since it uses less digits than its factorization.

132420105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2942680 (or 2942677 counting only the distinct ones).

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

The square root of 132420105 is about 11507.3934928810. The cubic root of 132420105 is about 509.7039227265.

Adding to 132420105 its reverse (501024231), we get a palindrome (633444336).

The spelling of 132420105 in words is "one hundred thirty-two million, four hundred twenty thousand, one hundred five".