121443434 has 8 divisors (see below), whose sum is σ = 208188768. Its totient is φ = 52047180.

The previous prime is 121443433. The next prime is 121443451. The reversal of 121443434 is 434344121.

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

It is not an unprimeable number, because it can be changed into a prime (121443431) 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, 4337252 + ... + 4337279.

It is an arithmetic number, because the mean of its divisors is an integer number (26023596).

Almost surely, 2^121443434 is an apocalyptic number.

121443434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

121443434 is a deficient number, since it is larger than the sum of its proper divisors (86745334).

121443434 is an equidigital number, since it uses as much as digits as its factorization.

121443434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8674540.

The product of its digits is 4608, while the sum is 26.

The square root of 121443434 is about 11020.1376579424. The cubic root of 121443434 is about 495.2122125154.

Adding to 121443434 its reverse (434344121), we get a palindrome (555787555).

The spelling of 121443434 in words is "one hundred twenty-one million, four hundred forty-three thousand, four hundred thirty-four".