1072815428 has 24 divisors (see below), whose sum is σ = 1923287520. Its totient is φ = 523333440.

The previous prime is 1072815409. The next prime is 1072815433. The reversal of 1072815428 is 8245182701.

It is a junction number, because it is equal to n+sod(n) for n = 1072815391 and 1072815400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172208 + ... + 178328.

It is an arithmetic number, because the mean of its divisors is an integer number (80136980).

Almost surely, 2^1072815428 is an apocalyptic number.

It is an amenable number.

1072815428 is a deficient number, since it is larger than the sum of its proper divisors (850472092).

1072815428 is a wasteful number, since it uses less digits than its factorization.

1072815428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7187 (or 7185 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 38.

The square root of 1072815428 is about 32753.8612685589. The cubic root of 1072815428 is about 1023.7054219084.

The spelling of 1072815428 in words is "one billion, seventy-two million, eight hundred fifteen thousand, four hundred twenty-eight".