121138050 has 48 divisors (see below), whose sum is σ = 327737952. Its totient is φ = 29366400.

The previous prime is 121138027. The next prime is 121138057. The reversal of 121138050 is 50831121.

It is not an unprimeable number, because it can be changed into a prime (121138057) 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 23 ways as a sum of consecutive naturals, for example, 35059 + ... + 38358.

It is an arithmetic number, because the mean of its divisors is an integer number (6827874).

Almost surely, 2^121138050 is an apocalyptic number.

121138050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121138050 is an abundant number, since it is smaller than the sum of its proper divisors (206599902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121138050 is a wasteful number, since it uses less digits than its factorization.

121138050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73443 (or 73438 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 121138050 is about 11006.2732112191. The cubic root of 121138050 is about 494.7967740390.

Adding to 121138050 its reverse (50831121), we get a palindrome (171969171).

The spelling of 121138050 in words is "one hundred twenty-one million, one hundred thirty-eight thousand, fifty".