1072798851 has 8 divisors (see below), whose sum is σ = 1437587200. Its totient is φ = 711604872.

The previous prime is 1072798813. The next prime is 1072798861. The reversal of 1072798851 is 1588972701.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1072798851 - 2⁹ = 1072798339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1072798851.

It is not an unprimeable number, because it can be changed into a prime (1072798861) 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, 897895 + ... + 899088.

It is an arithmetic number, because the mean of its divisors is an integer number (179698400).

Almost surely, 2^1072798851 is an apocalyptic number.

1072798851 is a deficient number, since it is larger than the sum of its proper divisors (364788349).

1072798851 is a wasteful number, since it uses less digits than its factorization.

1072798851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797185.

The product of its (nonzero) digits is 282240, while the sum is 48.

The square root of 1072798851 is about 32753.6082134473. The cubic root of 1072798851 is about 1023.7001491616.

The spelling of 1072798851 in words is "one billion, seventy-two million, seven hundred ninety-eight thousand, eight hundred fifty-one".