1170099649 has 2 divisors, whose sum is σ = 1170099650. Its totient is φ = 1170099648.

The previous prime is 1170099583. The next prime is 1170099653. The reversal of 1170099649 is 9469900711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 808833600 + 361266049 = 28440^2 + 19007^2 .

It is a cyclic number.

It is not a de Polignac number, because 1170099649 - 2²¹ = 1168002497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1170099599 and 1170099608.

It is not a weakly prime, because it can be changed into another prime (1170099149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585049824 + 585049825.

It is an arithmetic number, because the mean of its divisors is an integer number (585049825).

Almost surely, 2^1170099649 is an apocalyptic number.

It is an amenable number.

1170099649 is a deficient number, since it is larger than the sum of its proper divisors (1).

1170099649 is an equidigital number, since it uses as much as digits as its factorization.

1170099649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 46.

The square root of 1170099649 is about 34206.7193545362. The cubic root of 1170099649 is about 1053.7581575552.

The spelling of 1170099649 in words is "one billion, one hundred seventy million, ninety-nine thousand, six hundred forty-nine".