121498 has 8 divisors (see below), whose sum is σ = 196308. Its totient is φ = 56064.

The previous prime is 121493. The next prime is 121501. The reversal of 121498 is 894121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 120409 + 1089 = 347^2 + 33^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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

It is not an unprimeable number, because it can be changed into a prime (121493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2311 + ... + 2362.

2¹²¹⁴⁹⁸ is an apocalyptic number.

121498 is a deficient number, since it is larger than the sum of its proper divisors (74810).

121498 is a wasteful number, since it uses less digits than its factorization.

121498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4688.

The product of its digits is 576, while the sum is 25.

The square root of 121498 is about 348.5656322703. The cubic root of 121498 is about 49.5286369684.

The spelling of 121498 in words is "one hundred twenty-one thousand, four hundred ninety-eight".