121946 has 16 divisors (see below), whose sum is σ = 209088. Its totient is φ = 52800.
The previous prime is 121937. The next prime is 121949. The reversal of 121946 is 649121.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is not an unprimeable number, because it can be changed into a prime (121949) 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, 386 + ... + 626.
It is an arithmetic number, because the mean of its divisors is an integer number (13068).
2121946 is an apocalyptic number.
121946 is a deficient number, since it is larger than the sum of its proper divisors (87142).
121946 is a wasteful number, since it uses less digits than its factorization.
121946 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 277.
The product of its digits is 432, while the sum is 23.
The square root of 121946 is about 349.2076746007. The cubic root of 121946 is about 49.5894380043.
The spelling of 121946 in words is "one hundred twenty-one thousand, nine hundred forty-six".
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