1072973128 has 16 divisors (see below), whose sum is σ = 2049784380. Its totient is φ = 526363968.

The previous prime is 1072973107. The next prime is 1072973131. The reversal of 1072973128 is 8213792701.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1026433444 + 46539684 = 32038^2 + 6822^2 .

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, 1264875 + ... + 1265722.

Almost surely, 2^1072973128 is an apocalyptic number.

It is an amenable number.

1072973128 is a deficient number, since it is larger than the sum of its proper divisors (976811252).

1072973128 is a wasteful number, since it uses less digits than its factorization.

1072973128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2530656 (or 2530652 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 1072973128 is about 32756.2685298555. The cubic root of 1072973128 is about 1023.7555797861.

The spelling of 1072973128 in words is "one billion, seventy-two million, nine hundred seventy-three thousand, one hundred twenty-eight".