1193981425 has 24 divisors (see below), whose sum is σ = 1822202816. Its totient is φ = 755749440.

The previous prime is 1193981419. The next prime is 1193981443. The reversal of 1193981425 is 5241893911.

It is not a de Polignac number, because 1193981425 - 2¹⁷ = 1193850353 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 260139 + ... + 264688.

Almost surely, 2^1193981425 is an apocalyptic number.

It is an amenable number.

1193981425 is a deficient number, since it is larger than the sum of its proper divisors (628221391).

1193981425 is a wasteful number, since it uses less digits than its factorization.

1193981425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524857 (or 524852 counting only the distinct ones).

The product of its digits is 77760, while the sum is 43.

The square root of 1193981425 is about 34554.0363054738. The cubic root of 1193981425 is about 1060.8790101062.

The spelling of 1193981425 in words is "one billion, one hundred ninety-three million, nine hundred eighty-one thousand, four hundred twenty-five".