240021059 has 2 divisors, whose sum is σ = 240021060. Its totient is φ = 240021058.

The previous prime is 240021043. The next prime is 240021101. The reversal of 240021059 is 950120042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240021059 - 2⁴ = 240021043 is a prime.

It is a super-2 number, since 2×240021059² = 115220217526962962, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (240021559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120010529 + 120010530.

It is an arithmetic number, because the mean of its divisors is an integer number (120010530).

Almost surely, 2^240021059 is an apocalyptic number.

240021059 is a deficient number, since it is larger than the sum of its proper divisors (1).

240021059 is an equidigital number, since it uses as much as digits as its factorization.

240021059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 240021059 is about 15492.6130462230. The cubic root of 240021059 is about 621.4646771062.

The spelling of 240021059 in words is "two hundred forty million, twenty-one thousand, fifty-nine".