121146 has 16 divisors (see below), whose sum is σ = 247008. Its totient is φ = 39600.

The previous prime is 121139. The next prime is 121151. The reversal of 121146 is 641121.

It is a super-3 number, since 3×121146³ = 5333944496460408, which contains 333 as substring.

It is an unprimeable number.

121146 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201 + ... + 531.

It is an arithmetic number, because the mean of its divisors is an integer number (15438).

2¹²¹¹⁴⁶ is an apocalyptic number.

121146 is an abundant number, since it is smaller than the sum of its proper divisors (125862).

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

121146 is a wasteful number, since it uses less digits than its factorization.

121146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397.

The product of its digits is 48, while the sum is 15.

The square root of 121146 is about 348.0603395965. The cubic root of 121146 is about 49.4807597911.

Adding to 121146 its reverse (641121), we get a palindrome (762267).

The spelling of 121146 in words is "one hundred twenty-one thousand, one hundred forty-six".