240276121 has 2 divisors, whose sum is σ = 240276122. Its totient is φ = 240276120.

The previous prime is 240276103. The next prime is 240276149. The reversal of 240276121 is 121672042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 230888025 + 9388096 = 15195^2 + 3064^2 .

It is a cyclic number.

It is not a de Polignac number, because 240276121 - 2⁵ = 240276089 is a prime.

It is a super-2 number, since 2×240276121² = 115465228645613282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (240276191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120138060 + 120138061.

It is an arithmetic number, because the mean of its divisors is an integer number (120138061).

Almost surely, 2^240276121 is an apocalyptic number.

It is an amenable number.

240276121 is a deficient number, since it is larger than the sum of its proper divisors (1).

240276121 is an equidigital number, since it uses as much as digits as its factorization.

240276121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 240276121 is about 15500.8425900014. The cubic root of 240276121 is about 621.6847354473.

The spelling of 240276121 in words is "two hundred forty million, two hundred seventy-six thousand, one hundred twenty-one".