121245116 has 24 divisors (see below), whose sum is σ = 216006000. Its totient is φ = 59536512.

The previous prime is 121245107. The next prime is 121245119. The reversal of 121245116 is 611542121.

It is a junction number, because it is equal to n+sod(n) for n = 121245091 and 121245100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121245119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80135 + ... + 81633.

It is an arithmetic number, because the mean of its divisors is an integer number (9000250).

Almost surely, 2^121245116 is an apocalyptic number.

It is an amenable number.

121245116 is a deficient number, since it is larger than the sum of its proper divisors (94760884).

121245116 is a wasteful number, since it uses less digits than its factorization.

121245116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853 (or 1851 counting only the distinct ones).

The product of its digits is 480, while the sum is 23.

The square root of 121245116 is about 11011.1359995234. The cubic root of 121245116 is about 494.9425039501.

Adding to 121245116 its reverse (611542121), we get a palindrome (732787237).

The spelling of 121245116 in words is "one hundred twenty-one million, two hundred forty-five thousand, one hundred sixteen".