121861235 has 8 divisors (see below), whose sum is σ = 146314896. Its totient is φ = 97434720.

The previous prime is 121861211. The next prime is 121861241. The reversal of 121861235 is 532168121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121861235 - 2⁶ = 121861171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121861198 and 121861207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4937 + ... + 16373.

It is an arithmetic number, because the mean of its divisors is an integer number (18289362).

Almost surely, 2^121861235 is an apocalyptic number.

121861235 is a deficient number, since it is larger than the sum of its proper divisors (24453661).

121861235 is a wasteful number, since it uses less digits than its factorization.

121861235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13573.

The product of its digits is 2880, while the sum is 29.

The square root of 121861235 is about 11039.0776335707. The cubic root of 121861235 is about 495.7794542276.

The spelling of 121861235 in words is "one hundred twenty-one million, eight hundred sixty-one thousand, two hundred thirty-five".