1193720428 has 6 divisors (see below), whose sum is σ = 2089010756. Its totient is φ = 596860212.

The previous prime is 1193720419. The next prime is 1193720461. The reversal of 1193720428 is 8240273911.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149215050 + ... + 149215057.

Almost surely, 2^1193720428 is an apocalyptic number.

It is an amenable number.

1193720428 is a deficient number, since it is larger than the sum of its proper divisors (895290328).

1193720428 is a wasteful number, since it uses less digits than its factorization.

1193720428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298430111 (or 298430109 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 1193720428 is about 34550.2594490982. The cubic root of 1193720428 is about 1060.8017039296.

The spelling of 1193720428 in words is "one billion, one hundred ninety-three million, seven hundred twenty thousand, four hundred twenty-eight".