121038445 has 8 divisors (see below), whose sum is σ = 158450400. Its totient is φ = 88027920.

The previous prime is 121038439. The next prime is 121038451. The reversal of 121038445 is 544830121.

It is an interprime number because it is at equal distance from previous prime (121038439) and next prime (121038451).

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

It is not a de Polignac number, because 121038445 - 2¹¹ = 121036397 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 1100295 + ... + 1100404.

It is an arithmetic number, because the mean of its divisors is an integer number (19806300).

Almost surely, 2^121038445 is an apocalyptic number.

It is an amenable number.

121038445 is a deficient number, since it is larger than the sum of its proper divisors (37411955).

121038445 is a wasteful number, since it uses less digits than its factorization.

121038445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2200715.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 121038445 is about 11001.7473612149. The cubic root of 121038445 is about 494.6611223404.

Adding to 121038445 its reverse (544830121), we get a palindrome (665868566).

The spelling of 121038445 in words is "one hundred twenty-one million, thirty-eight thousand, four hundred forty-five".