1194124989 has 16 divisors (see below), whose sum is σ = 1599393600. Its totient is φ = 792479616.

The previous prime is 1194124963. The next prime is 1194125011. The reversal of 1194124989 is 9894214911.

It is not a de Polignac number, because 1194124989 - 2⁵ = 1194124957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1194124949) 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, 947842 + ... + 949100.

It is an arithmetic number, because the mean of its divisors is an integer number (99962100).

Almost surely, 2^1194124989 is an apocalyptic number.

It is an amenable number.

1194124989 is a deficient number, since it is larger than the sum of its proper divisors (405268611).

1194124989 is a wasteful number, since it uses less digits than its factorization.

1194124989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444.

The product of its digits is 186624, while the sum is 48.

The square root of 1194124989 is about 34556.1136269691. The cubic root of 1194124989 is about 1060.9215283361.

The spelling of 1194124989 in words is "one billion, one hundred ninety-four million, one hundred twenty-four thousand, nine hundred eighty-nine".