121914 has 24 divisors (see below), whose sum is σ = 285012. Its totient is φ = 37440.
The previous prime is 121909. The next prime is 121921. The reversal of 121914 is 419121.
It can be written as a sum of positive squares in 2 ways, for example, as 110889 + 11025 = 333^2 + 105^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27 + ... + 494.
2121914 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 121914, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142506).
121914 is an abundant number, since it is smaller than the sum of its proper divisors (163098).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121914 is a wasteful number, since it uses less digits than its factorization.
121914 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 542 (or 539 counting only the distinct ones).
The product of its digits is 72, while the sum is 18.
The square root of 121914 is about 349.1618535866. The cubic root of 121914 is about 49.5851000163.
It can be divided in two parts, 121 and 914, that added together give a triangular number (1035 = T45).
The spelling of 121914 in words is "one hundred twenty-one thousand, nine hundred fourteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •