121420446 has 32 divisors (see below), whose sum is σ = 277890048. Its totient is φ = 34646880.

The previous prime is 121420391. The next prime is 121420501. The reversal of 121420446 is 644024121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121420391) and next prime (121420501).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45016 + ... + 47636.

It is an arithmetic number, because the mean of its divisors is an integer number (8684064).

Almost surely, 2^121420446 is an apocalyptic number.

121420446 is an abundant number, since it is smaller than the sum of its proper divisors (156469602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121420446 is a wasteful number, since it uses less digits than its factorization.

121420446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3736.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 121420446 is about 11019.0946089050. The cubic root of 121420446 is about 495.1809643413.

Adding to 121420446 its reverse (644024121), we get a palindrome (765444567).

The spelling of 121420446 in words is "one hundred twenty-one million, four hundred twenty thousand, four hundred forty-six".