121145016 has 16 divisors (see below), whose sum is σ = 302862600. Its totient is φ = 40381664.

The previous prime is 121144967. The next prime is 121145021. The reversal of 121145016 is 610541121.

It is a super-3 number, since 3×121145016³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 121144983 and 121145001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2523831 + ... + 2523878.

Almost surely, 2^121145016 is an apocalyptic number.

It is an amenable number.

121145016 is an abundant number, since it is smaller than the sum of its proper divisors (181717584).

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

121145016 is a wasteful number, since it uses less digits than its factorization.

121145016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5047718 (or 5047714 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 121145016 is about 11006.5896625612. The cubic root of 121145016 is about 494.8062582274.

Adding to 121145016 its reverse (610541121), we get a palindrome (731686137).

The spelling of 121145016 in words is "one hundred twenty-one million, one hundred forty-five thousand, sixteen".