1190616961 has 2 divisors, whose sum is σ = 1190616962. Its totient is φ = 1190616960.

The previous prime is 1190616937. The next prime is 1190617003. The reversal of 1190616961 is 1696160911.

1190616961 is nontrivially palindromic in base 8.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 721244736 + 469372225 = 26856^2 + 21665^2 .

It is an emirp because it is prime and its reverse (1696160911) is a distict prime. It is also a bemirp because it and its reverse can be mirrored producing other two distinct primes, 1969190611 and 1160919691.

It is a cyclic number.

It is not a de Polignac number, because 1190616961 - 2¹⁵ = 1190584193 is a prime.

It is not a weakly prime, because it can be changed into another prime (1190616061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 595308480 + 595308481.

It is an arithmetic number, because the mean of its divisors is an integer number (595308481).

Almost surely, 2^1190616961 is an apocalyptic number.

It is an amenable number.

1190616961 is a deficient number, since it is larger than the sum of its proper divisors (1).

1190616961 is an equidigital number, since it uses as much as digits as its factorization.

1190616961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 40.

The square root of 1190616961 is about 34505.3178655117. The cubic root of 1190616961 is about 1059.8816056802.

The spelling of 1190616961 in words is "one billion, one hundred ninety million, six hundred sixteen thousand, nine hundred sixty-one".