121430363 has 6 divisors (see below), whose sum is σ = 126940044. Its totient is φ = 116150276.

The previous prime is 121430359. The next prime is 121430383. The reversal of 121430363 is 363034121.

It is not a de Polignac number, because 121430363 - 2² = 121430359 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121430333) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 114245 + ... + 115302.

It is an arithmetic number, because the mean of its divisors is an integer number (21156674).

Almost surely, 2^121430363 is an apocalyptic number.

121430363 is a deficient number, since it is larger than the sum of its proper divisors (5509681).

121430363 is an equidigital number, since it uses as much as digits as its factorization.

121430363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229593 (or 229570 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 121430363 is about 11019.5445913159. The cubic root of 121430363 is about 495.1944452557.

Adding to 121430363 its reverse (363034121), we get a palindrome (484464484).

The spelling of 121430363 in words is "one hundred twenty-one million, four hundred thirty thousand, three hundred sixty-three".