141231520 has 24 divisors (see below), whose sum is σ = 333659844. Its totient is φ = 56492544.

The previous prime is 141231481. The next prime is 141231533. The reversal of 141231520 is 25132141.

It can be written as a sum of positive squares in 2 ways, for example, as 140090896 + 1140624 = 11836^2 + 1068^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 441189 + ... + 441508.

Almost surely, 2^141231520 is an apocalyptic number.

141231520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141231520 is an abundant number, since it is smaller than the sum of its proper divisors (192428324).

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

141231520 is an equidigital number, since it uses as much as digits as its factorization.

141231520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882712 (or 882704 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 141231520 is about 11884.0868391307. The cubic root of 141231520 is about 520.7675056787.

Adding to 141231520 its reverse (25132141), we get a palindrome (166363661).

The spelling of 141231520 in words is "one hundred forty-one million, two hundred thirty-one thousand, five hundred twenty".