121849250 has 16 divisors (see below), whose sum is σ = 228102264. Its totient is φ = 48739600.

The previous prime is 121849243. The next prime is 121849289. The reversal of 121849250 is 52948121.

It can be written as a sum of positive squares in 4 ways, for example, as 5058001 + 116791249 = 2249^2 + 10807^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243449 + ... + 243948.

Almost surely, 2^121849250 is an apocalyptic number.

121849250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121849250 is a deficient number, since it is larger than the sum of its proper divisors (106253014).

121849250 is an equidigital number, since it uses as much as digits as its factorization.

121849250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487414 (or 487404 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 121849250 is about 11038.5347759565. The cubic root of 121849250 is about 495.7632004628.

The spelling of 121849250 in words is "one hundred twenty-one million, eight hundred forty-nine thousand, two hundred fifty".