121430 has 8 divisors (see below), whose sum is σ = 218592. Its totient is φ = 48568.

The previous prime is 121421. The next prime is 121439. The reversal of 121430 is 34121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121421) and next prime (121439).

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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121439) 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, 6062 + ... + 6081.

It is an arithmetic number, because the mean of its divisors is an integer number (27324).

2¹²¹⁴³⁰ is an apocalyptic number.

121430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121430 is a deficient number, since it is larger than the sum of its proper divisors (97162).

121430 is a wasteful number, since it uses less digits than its factorization.

121430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12150.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 121430 is about 348.4680760127. The cubic root of 121430 is about 49.5193951816.

Adding to 121430 its reverse (34121), we get a palindrome (155551).

The spelling of 121430 in words is "one hundred twenty-one thousand, four hundred thirty".