1203791428 has 24 divisors (see below), whose sum is σ = 2456720000. Its totient is φ = 515910024.

The previous prime is 1203791423. The next prime is 1203791431. The reversal of 1203791428 is 8241973021.

It is a super-2 number, since 2×1203791428² = 2898227604252558368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1203791423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437328 + ... + 440071.

Almost surely, 2^1203791428 is an apocalyptic number.

It is an amenable number.

1203791428 is an abundant number, since it is smaller than the sum of its proper divisors (1252928572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1203791428 is an equidigital number, since it uses as much as digits as its factorization.

1203791428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877424 (or 877408 counting only the distinct ones).

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

The square root of 1203791428 is about 34695.6975430672. The cubic root of 1203791428 is about 1063.7765574196.

The spelling of 1203791428 in words is "one billion, two hundred three million, seven hundred ninety-one thousand, four hundred twenty-eight".