141187321 has 8 divisors (see below), whose sum is σ = 154715904. Its totient is φ = 127774320.

The previous prime is 141187273. The next prime is 141187327. The reversal of 141187321 is 123781141.

141187321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 141187321 - 2²¹ = 139090169 is a prime.

It is a super-2 number, since 2×141187321² = 39867719222314082, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 141187321.

It is not an unprimeable number, because it can be changed into a prime (141187327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26326 + ... + 31231.

It is an arithmetic number, because the mean of its divisors is an integer number (19339488).

Almost surely, 2^141187321 is an apocalyptic number.

141187321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

141187321 is a deficient number, since it is larger than the sum of its proper divisors (13528583).

141187321 is a wasteful number, since it uses less digits than its factorization.

141187321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57791.

The product of its digits is 1344, while the sum is 28.

The square root of 141187321 is about 11882.2271060605. The cubic root of 141187321 is about 520.7131745479.

The spelling of 141187321 in words is "one hundred forty-one million, one hundred eighty-seven thousand, three hundred twenty-one".