1190406961 has 2 divisors, whose sum is σ = 1190406962. Its totient is φ = 1190406960.

The previous prime is 1190406949. The next prime is 1190406979. The reversal of 1190406961 is 1696040911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 932997025 + 257409936 = 30545^2 + 16044^2 .

It is an emirp because it is prime and its reverse (1696040911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1190406961 - 2¹¹ = 1190404913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1190406961.

It is not a weakly prime, because it can be changed into another prime (1190406461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 595203480 + 595203481.

It is an arithmetic number, because the mean of its divisors is an integer number (595203481).

Almost surely, 2^1190406961 is an apocalyptic number.

It is an amenable number.

1190406961 is a deficient number, since it is larger than the sum of its proper divisors (1).

1190406961 is an equidigital number, since it uses as much as digits as its factorization.

1190406961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 1190406961 is about 34502.2747221107. The cubic root of 1190406961 is about 1059.8192883463.

The spelling of 1190406961 in words is "one billion, one hundred ninety million, four hundred six thousand, nine hundred sixty-one".