118821701 has 2 divisors, whose sum is σ = 118821702. Its totient is φ = 118821700.

The previous prime is 118821679. The next prime is 118821733. The reversal of 118821701 is 107128811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104571076 + 14250625 = 10226^2 + 3775^2 .

It is an emirp because it is prime and its reverse (107128811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118821701 - 2¹⁴ = 118805317 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118821751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59410850 + 59410851.

It is an arithmetic number, because the mean of its divisors is an integer number (59410851).

Almost surely, 2^118821701 is an apocalyptic number.

It is an amenable number.

118821701 is a deficient number, since it is larger than the sum of its proper divisors (1).

118821701 is an equidigital number, since it uses as much as digits as its factorization.

118821701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 29.

The square root of 118821701 is about 10900.5367299046. The cubic root of 118821701 is about 491.6226933509.

The spelling of 118821701 in words is "one hundred eighteen million, eight hundred twenty-one thousand, seven hundred one".