121204250 has 64 divisors (see below), whose sum is σ = 240185088. Its totient is φ = 45707200.

The previous prime is 121204219. The next prime is 121204261. The reversal of 121204250 is 52402121.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 615152 + ... + 615348.

It is an arithmetic number, because the mean of its divisors is an integer number (3752892).

Almost surely, 2^121204250 is an apocalyptic number.

121204250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121204250 is a deficient number, since it is larger than the sum of its proper divisors (118980838).

121204250 is a wasteful number, since it uses less digits than its factorization.

121204250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 121204250 is about 11009.2801762876. The cubic root of 121204250 is about 494.8868904570.

Adding to 121204250 its reverse (52402121), we get a palindrome (173606371).

The spelling of 121204250 in words is "one hundred twenty-one million, two hundred four thousand, two hundred fifty".