121454 has 4 divisors (see below), whose sum is σ = 182184. Its totient is φ = 60726.

The previous prime is 121453. The next prime is 121469. The reversal of 121454 is 454121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 454121 = 17 ⋅26713.

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 121454.

It is not an unprimeable number, because it can be changed into a prime (121453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30362 + ... + 30365.

It is an arithmetic number, because the mean of its divisors is an integer number (45546).

2¹²¹⁴⁵⁴ is an apocalyptic number.

121454 is a deficient number, since it is larger than the sum of its proper divisors (60730).

121454 is an equidigital number, since it uses as much as digits as its factorization.

121454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60729.

The product of its digits is 160, while the sum is 17.

The square root of 121454 is about 348.5025107514. The cubic root of 121454 is about 49.5226573826.

Adding to 121454 its reverse (454121), we get a palindrome (575575).

It can be divided in two parts, 1214 and 54, that multiplied together give a palindrome (65556).

The spelling of 121454 in words is "one hundred twenty-one thousand, four hundred fifty-four".