121044416 has 14 divisors (see below), whose sum is σ = 240197640. Its totient is φ = 60522176.

The previous prime is 121044409. The next prime is 121044431. The reversal of 121044416 is 614440121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121044391 and 121044400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 945596 + ... + 945723.

Almost surely, 2^121044416 is an apocalyptic number.

121044416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

121044416 is a deficient number, since it is larger than the sum of its proper divisors (119153224).

121044416 is an equidigital number, since it uses as much as digits as its factorization.

121044416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1891331 (or 1891321 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 121044416 is about 11002.0187238525. The cubic root of 121044416 is about 494.6692563208.

Adding to 121044416 its reverse (614440121), we get a palindrome (735484537).

The spelling of 121044416 in words is "one hundred twenty-one million, forty-four thousand, four hundred sixteen".