1194446987 has 16 divisors (see below), whose sum is σ = 1250111232. Its totient is φ = 1140179040.

The previous prime is 1194446963. The next prime is 1194446993. The reversal of 1194446987 is 7896444911.

It is a cyclic number.

It is not a de Polignac number, because 1194446987 - 2⁶ = 1194446923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1194446927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 595328 + ... + 597330.

It is an arithmetic number, because the mean of its divisors is an integer number (78131952).

Almost surely, 2^1194446987 is an apocalyptic number.

1194446987 is a deficient number, since it is larger than the sum of its proper divisors (55664245).

1194446987 is a wasteful number, since it uses less digits than its factorization.

1194446987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2338.

The product of its digits is 1741824, while the sum is 53.

The square root of 1194446987 is about 34560.7723727350. The cubic root of 1194446987 is about 1061.0168795800.

The spelling of 1194446987 in words is "one billion, one hundred ninety-four million, four hundred forty-six thousand, nine hundred eighty-seven".