1230774428 has 12 divisors (see below), whose sum is σ = 2319536520. Its totient is φ = 568049712.

The previous prime is 1230774407. The next prime is 1230774437. The reversal of 1230774428 is 8244770321.

It is a junction number, because it is equal to n+sod(n) for n = 1230774391 and 1230774400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11834318 + ... + 11834421.

It is an arithmetic number, because the mean of its divisors is an integer number (193294710).

Almost surely, 2^1230774428 is an apocalyptic number.

It is an amenable number.

1230774428 is a deficient number, since it is larger than the sum of its proper divisors (1088762092).

1230774428 is a wasteful number, since it uses less digits than its factorization.

1230774428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23668756 (or 23668754 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 1230774428 is about 35082.3948441380. The cubic root of 1230774428 is about 1071.6660881293. Note that the first 3 decimals are identical.

The spelling of 1230774428 in words is "one billion, two hundred thirty million, seven hundred seventy-four thousand, four hundred twenty-eight".