121619150 has 24 divisors (see below), whose sum is σ = 228460824. Its totient is φ = 48164000.

The previous prime is 121619129. The next prime is 121619159. The reversal of 121619150 is 51916121.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121619159) by changing a digit.

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, 6992 + ... + 17091.

It is an arithmetic number, because the mean of its divisors is an integer number (9519201).

Almost surely, 2^121619150 is an apocalyptic number.

121619150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121619150 is a deficient number, since it is larger than the sum of its proper divisors (106841674).

121619150 is a wasteful number, since it uses less digits than its factorization.

121619150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24196 (or 24191 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 26.

The square root of 121619150 is about 11028.1072718758. The cubic root of 121619150 is about 495.4509375797.

The spelling of 121619150 in words is "one hundred twenty-one million, six hundred nineteen thousand, one hundred fifty".