121874 has 4 divisors (see below), whose sum is σ = 182814. Its totient is φ = 60936.

The previous prime is 121867. The next prime is 121883. The reversal of 121874 is 478121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 117649 + 4225 = 343^2 + 65^2 .

It is an alternating number because its digits alternate between odd and even.

It is a plaindrome in base 5.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30467 + ... + 30470.

2¹²¹⁸⁷⁴ is an apocalyptic number.

121874 is a deficient number, since it is larger than the sum of its proper divisors (60940).

121874 is an equidigital number, since it uses as much as digits as its factorization.

121874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60939.

The product of its digits is 448, while the sum is 23.

The square root of 121874 is about 349.1045688615. The cubic root of 121874 is about 49.5796764637.

Adding to 121874 its reverse (478121), we get a palindrome (599995).

The spelling of 121874 in words is "one hundred twenty-one thousand, eight hundred seventy-four".