119706649 has 2 divisors, whose sum is σ = 119706650. Its totient is φ = 119706648.

The previous prime is 119706647. The next prime is 119706677. The reversal of 119706649 is 946607911.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119508624 + 198025 = 10932^2 + 445^2 .

It is a cyclic number.

It is not a de Polignac number, because 119706649 - 2¹ = 119706647 is a prime.

Together with 119706647, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (119706647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59853324 + 59853325.

It is an arithmetic number, because the mean of its divisors is an integer number (59853325).

Almost surely, 2^119706649 is an apocalyptic number.

It is an amenable number.

119706649 is a deficient number, since it is larger than the sum of its proper divisors (1).

119706649 is an equidigital number, since it uses as much as digits as its factorization.

119706649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 119706649 is about 10941.0533770748. The cubic root of 119706649 is about 492.8401614737.

The spelling of 119706649 in words is "one hundred nineteen million, seven hundred six thousand, six hundred forty-nine".