121712050 has 24 divisors (see below), whose sum is σ = 226783476. Its totient is φ = 48599040.

The previous prime is 121712047. The next prime is 121712053. The reversal of 121712050 is 50217121.

It is an interprime number because it is at equal distance from previous prime (121712047) and next prime (121712053).

It can be written as a sum of positive squares in 6 ways, for example, as 4704561 + 117007489 = 2169^2 + 10817^2 .

It is not an unprimeable number, because it can be changed into a prime (121712053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31842 + ... + 35458.

Almost surely, 2^121712050 is an apocalyptic number.

121712050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121712050 is a deficient number, since it is larger than the sum of its proper divisors (105071426).

121712050 is a wasteful number, since it uses less digits than its factorization.

121712050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4302 (or 4297 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 121712050 is about 11032.3184326777. The cubic root of 121712050 is about 495.5770571850.

Adding to 121712050 its reverse (50217121), we get a palindrome (171929171).

The spelling of 121712050 in words is "one hundred twenty-one million, seven hundred twelve thousand, fifty".