141221172 has 24 divisors (see below), whose sum is σ = 329868000. Its totient is φ = 47023456.

The previous prime is 141221153. The next prime is 141221183. The reversal of 141221172 is 271122141.

141221172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 6454 + ... + 18002.

It is an arithmetic number, because the mean of its divisors is an integer number (13744500).

Almost surely, 2^141221172 is an apocalyptic number.

141221172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

141221172 is an abundant number, since it is smaller than the sum of its proper divisors (188646828).

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

141221172 is a wasteful number, since it uses less digits than its factorization.

141221172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12575 (or 12573 counting only the distinct ones).

The product of its digits is 224, while the sum is 21.

The square root of 141221172 is about 11883.6514590424. The cubic root of 141221172 is about 520.7547865308.

The spelling of 141221172 in words is "one hundred forty-one million, two hundred twenty-one thousand, one hundred seventy-two".