1190878993 has 2 divisors, whose sum is σ = 1190878994. Its totient is φ = 1190878992.

The previous prime is 1190878967. The next prime is 1190879009. The reversal of 1190878993 is 3998780911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1189422144 + 1456849 = 34488^2 + 1207^2 .

It is a cyclic number.

It is not a de Polignac number, because 1190878993 - 2⁵ = 1190878961 is a prime.

It is not a weakly prime, because it can be changed into another prime (1190878963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 595439496 + 595439497.

It is an arithmetic number, because the mean of its divisors is an integer number (595439497).

Almost surely, 2^1190878993 is an apocalyptic number.

It is an amenable number.

1190878993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1190878993 is an equidigital number, since it uses as much as digits as its factorization.

1190878993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776, while the sum is 55.

The square root of 1190878993 is about 34509.1146365710. The cubic root of 1190878993 is about 1059.9593531940.

The spelling of 1190878993 in words is "one billion, one hundred ninety million, eight hundred seventy-eight thousand, nine hundred ninety-three".