121954850 has 12 divisors (see below), whose sum is σ = 226836114. Its totient is φ = 48781920.

The previous prime is 121954841. The next prime is 121954871. The reversal of 121954850 is 58459121.

It can be written as a sum of positive squares in 3 ways, for example, as 67947049 + 54007801 = 8243^2 + 7349^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 121954850.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1219499 + ... + 1219598.

Almost surely, 2^121954850 is an apocalyptic number.

121954850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121954850 is a deficient number, since it is larger than the sum of its proper divisors (104881264).

121954850 is a wasteful number, since it uses less digits than its factorization.

121954850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2439109 (or 2439104 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 35.

The square root of 121954850 is about 11043.3169835879. The cubic root of 121954850 is about 495.9063759509.

The spelling of 121954850 in words is "one hundred twenty-one million, nine hundred fifty-four thousand, eight hundred fifty".