1195423487 has 2 divisors, whose sum is σ = 1195423488. Its totient is φ = 1195423486.

The previous prime is 1195423477. The next prime is 1195423499. The reversal of 1195423487 is 7843245911.

It is a weak prime.

It is an emirp because it is prime and its reverse (7843245911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1195423487 - 2⁶ = 1195423423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1195423477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 597711743 + 597711744.

It is an arithmetic number, because the mean of its divisors is an integer number (597711744).

Almost surely, 2^1195423487 is an apocalyptic number.

1195423487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1195423487 is an equidigital number, since it uses as much as digits as its factorization.

1195423487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 44.

The square root of 1195423487 is about 34574.8967749724. The cubic root of 1195423487 is about 1061.3059396439.

The spelling of 1195423487 in words is "one billion, one hundred ninety-five million, four hundred twenty-three thousand, four hundred eighty-seven".