378001128 has 16 divisors (see below), whose sum is σ = 945002880. Its totient is φ = 126000368.

The previous prime is 378001123. The next prime is 378001133. The reversal of 378001128 is 821100873.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (378001123) and next prime (378001133).

It is a junction number, because it is equal to n+sod(n) for n = 378001095 and 378001104.

It is not an unprimeable number, because it can be changed into a prime (378001123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7875000 + ... + 7875047.

It is an arithmetic number, because the mean of its divisors is an integer number (59062680).

Almost surely, 2^378001128 is an apocalyptic number.

It is an amenable number.

378001128 is an abundant number, since it is smaller than the sum of its proper divisors (567001752).

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

378001128 is a wasteful number, since it uses less digits than its factorization.

378001128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15750056 (or 15750052 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 378001128 is about 19442.2511042317. The cubic root of 378001128 is about 723.0433984689.

The spelling of 378001128 in words is "three hundred seventy-eight million, one thousand, one hundred twenty-eight".