1072798043 has 4 divisors (see below), whose sum is σ = 1072966320. Its totient is φ = 1072629768.

The previous prime is 1072798031. The next prime is 1072798127. The reversal of 1072798043 is 3408972701.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1072798043 - 2²⁰ = 1071749467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1072798343) 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, 74183 + ... + 87456.

It is an arithmetic number, because the mean of its divisors is an integer number (268241580).

Almost surely, 2^1072798043 is an apocalyptic number.

1072798043 is a deficient number, since it is larger than the sum of its proper divisors (168277).

1072798043 is an equidigital number, since it uses as much as digits as its factorization.

1072798043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168276.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 1072798043 is about 32753.5958789260. The cubic root of 1072798043 is about 1023.6998921548.

The spelling of 1072798043 in words is "one billion, seventy-two million, seven hundred ninety-eight thousand, forty-three".