121650435 has 24 divisors (see below), whose sum is σ = 211807440. Its totient is φ = 64588992.

The previous prime is 121650433. The next prime is 121650439. The reversal of 121650435 is 534056121.

121650435 is a `hidden beast` number, since 1 + 2 + 1 + 650 + 4 + 3 + 5 = 666.

It is not a de Polignac number, because 121650435 - 2¹ = 121650433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121650399 and 121650408.

It is not an unprimeable number, because it can be changed into a prime (121650433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4261 + ... + 16169.

It is an arithmetic number, because the mean of its divisors is an integer number (8825310).

Almost surely, 2^121650435 is an apocalyptic number.

121650435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121650435 is a deficient number, since it is larger than the sum of its proper divisors (90157005).

121650435 is a wasteful number, since it uses less digits than its factorization.

121650435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12147 (or 12144 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 121650435 is about 11029.5256017655. The cubic root of 121650435 is about 495.4934167828.

The spelling of 121650435 in words is "one hundred twenty-one million, six hundred fifty thousand, four hundred thirty-five".