121304150 has 24 divisors (see below), whose sum is σ = 246138264. Its totient is φ = 44110400.

The previous prime is 121304123. The next prime is 121304153. The reversal of 121304150 is 51403121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121304153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109727 + ... + 110826.

It is an arithmetic number, because the mean of its divisors is an integer number (10255761).

Almost surely, 2^121304150 is an apocalyptic number.

121304150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121304150 is an abundant number, since it is smaller than the sum of its proper divisors (124834114).

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

121304150 is a wasteful number, since it uses less digits than its factorization.

121304150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220576 (or 220571 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 121304150 is about 11013.8163231461. The cubic root of 121304150 is about 495.0228197486.

Adding to 121304150 its reverse (51403121), we get a palindrome (172707271).

The spelling of 121304150 in words is "one hundred twenty-one million, three hundred four thousand, one hundred fifty".