1072870807 has 4 divisors (see below), whose sum is σ = 1073059480. Its totient is φ = 1072682136.

The previous prime is 1072870801. The next prime is 1072870819. The reversal of 1072870807 is 7080782701.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7080782701 = 4889 ⋅1448309.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1072870807 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 1072870807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072870801) 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, 85533 + ... + 97270.

It is an arithmetic number, because the mean of its divisors is an integer number (268264870).

Almost surely, 2^1072870807 is an apocalyptic number.

1072870807 is a deficient number, since it is larger than the sum of its proper divisors (188673).

1072870807 is an equidigital number, since it uses as much as digits as its factorization.

1072870807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188672.

The product of its (nonzero) digits is 43904, while the sum is 40.

The square root of 1072870807 is about 32754.7066388939. The cubic root of 1072870807 is about 1023.7230362483.

The spelling of 1072870807 in words is "one billion, seventy-two million, eight hundred seventy thousand, eight hundred seven".