1148995994 has 4 divisors (see below), whose sum is σ = 1723493994. Its totient is φ = 574497996.

The previous prime is 1148995993. The next prime is 1148996021. The reversal of 1148995994 is 4995998411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4995998411 = 163 ⋅30650297.

It can be written as a sum of positive squares in only one way, i.e., 1107225625 + 41770369 = 33275^2 + 6463^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1148995993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287248997 + ... + 287249000.

Almost surely, 2^1148995994 is an apocalyptic number.

1148995994 is a deficient number, since it is larger than the sum of its proper divisors (574498000).

1148995994 is an equidigital number, since it uses as much as digits as its factorization.

1148995994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574497999.

The product of its digits is 4199040, while the sum is 59.

The square root of 1148995994 is about 33896.8434223601. The cubic root of 1148995994 is about 1047.3845697333.

The spelling of 1148995994 in words is "one billion, one hundred forty-eight million, nine hundred ninety-five thousand, nine hundred ninety-four".