118956281 has 2 divisors, whose sum is σ = 118956282. Its totient is φ = 118956280.

The previous prime is 118956251. The next prime is 118956317. The reversal of 118956281 is 182659811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71910400 + 47045881 = 8480^2 + 6859^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118956281 is a prime.

It is a super-2 number, since 2×118956281² = 28301193578701922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (118956251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59478140 + 59478141.

It is an arithmetic number, because the mean of its divisors is an integer number (59478141).

Almost surely, 2^118956281 is an apocalyptic number.

It is an amenable number.

118956281 is a deficient number, since it is larger than the sum of its proper divisors (1).

118956281 is an equidigital number, since it uses as much as digits as its factorization.

118956281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 41.

The square root of 118956281 is about 10906.7080734748. The cubic root of 118956281 is about 491.8082307799.

The spelling of 118956281 in words is "one hundred eighteen million, nine hundred fifty-six thousand, two hundred eighty-one".