118630829 has 2 divisors, whose sum is σ = 118630830. Its totient is φ = 118630828.

The previous prime is 118630823. The next prime is 118630861. The reversal of 118630829 is 928036811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114982729 + 3648100 = 10723^2 + 1910^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118630829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 118630792 and 118630801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118630823) 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, 59315414 + 59315415.

It is an arithmetic number, because the mean of its divisors is an integer number (59315415).

Almost surely, 2^118630829 is an apocalyptic number.

It is an amenable number.

118630829 is a deficient number, since it is larger than the sum of its proper divisors (1).

118630829 is an equidigital number, since it uses as much as digits as its factorization.

118630829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 118630829 is about 10891.7780458472. The cubic root of 118630829 is about 491.3593090909.

The spelling of 118630829 in words is "one hundred eighteen million, six hundred thirty thousand, eight hundred twenty-nine".