240851121 has 48 divisors (see below), whose sum is σ = 408430080. Its totient is φ = 125314560.

The previous prime is 240851111. The next prime is 240851137. The reversal of 240851121 is 121158042.

240851121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 240851121 - 2⁶ = 240851057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 240851091 and 240851100.

It is not an unprimeable number, because it can be changed into a prime (240851111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 75915 + ... + 79023.

It is an arithmetic number, because the mean of its divisors is an integer number (8508960).

Almost surely, 2^240851121 is an apocalyptic number.

240851121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

240851121 is a deficient number, since it is larger than the sum of its proper divisors (167578959).

240851121 is a wasteful number, since it uses less digits than its factorization.

240851121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3174 (or 3167 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 240851121 is about 15519.3788857673. The cubic root of 240851121 is about 622.1802541717.

The spelling of 240851121 in words is "two hundred forty million, eight hundred fifty-one thousand, one hundred twenty-one".