121422135 has 8 divisors (see below), whose sum is σ = 194275440. Its totient is φ = 64758464.

The previous prime is 121422127. The next prime is 121422151. The reversal of 121422135 is 531224121.

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

It is a cyclic number.

It is not a de Polignac number, because 121422135 - 2³ = 121422127 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4047390 + ... + 4047419.

It is an arithmetic number, because the mean of its divisors is an integer number (24284430).

Almost surely, 2^121422135 is an apocalyptic number.

121422135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121422135 is a deficient number, since it is larger than the sum of its proper divisors (72853305).

121422135 is an equidigital number, since it uses as much as digits as its factorization.

121422135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8094817.

The product of its digits is 480, while the sum is 21.

The square root of 121422135 is about 11019.1712483290. The cubic root of 121422135 is about 495.1832603762.

Adding to 121422135 its reverse (531224121), we get a palindrome (652646256).

The spelling of 121422135 in words is "one hundred twenty-one million, four hundred twenty-two thousand, one hundred thirty-five".