121220350 has 36 divisors (see below), whose sum is σ = 235750536. Its totient is φ = 46369840.

The previous prime is 121220339. The next prime is 121220383. The reversal of 121220350 is 53022121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 24159 + ... + 28741.

It is an arithmetic number, because the mean of its divisors is an integer number (6548626).

Almost surely, 2^121220350 is an apocalyptic number.

121220350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121220350 is a deficient number, since it is larger than the sum of its proper divisors (114530186).

121220350 is a wasteful number, since it uses less digits than its factorization.

121220350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4641 (or 4613 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 121220350 is about 11010.0113533093. The cubic root of 121220350 is about 494.9088020269.

Adding to 121220350 its reverse (53022121), we get a palindrome (174242471).

The spelling of 121220350 in words is "one hundred twenty-one million, two hundred twenty thousand, three hundred fifty".