121235150 has 24 divisors (see below), whose sum is σ = 225808464. Its totient is φ = 48427200.

The previous prime is 121235111. The next prime is 121235171. The reversal of 121235150 is 51532121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52010 + ... + 54290.

It is an arithmetic number, because the mean of its divisors is an integer number (9408686).

Almost surely, 2^121235150 is an apocalyptic number.

121235150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121235150 is a deficient number, since it is larger than the sum of its proper divisors (104573314).

121235150 is a wasteful number, since it uses less digits than its factorization.

121235150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3356 (or 3351 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 121235150 is about 11010.6834483605. The cubic root of 121235150 is about 494.9289426281.

Adding to 121235150 its reverse (51532121), we get a palindrome (172767271).

The spelling of 121235150 in words is "one hundred twenty-one million, two hundred thirty-five thousand, one hundred fifty".