121422045 has 16 divisors (see below), whose sum is σ = 194414400. Its totient is φ = 64712064.

The previous prime is 121422031. The next prime is 121422061. The reversal of 121422045 is 540224121.

It is not a de Polignac number, because 121422045 - 2⁴ = 121422029 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33481 + ... + 36929.

It is an arithmetic number, because the mean of its divisors is an integer number (12150900).

Almost surely, 2^121422045 is an apocalyptic number.

121422045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121422045 is a deficient number, since it is larger than the sum of its proper divisors (72992355).

121422045 is a wasteful number, since it uses less digits than its factorization.

121422045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5804.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 121422045 is about 11019.1671645365. The cubic root of 121422045 is about 495.1831380303.

Adding to 121422045 its reverse (540224121), we get a palindrome (661646166).

The spelling of 121422045 in words is "one hundred twenty-one million, four hundred twenty-two thousand, forty-five".