1072843546 has 4 divisors (see below), whose sum is σ = 1609265322. Its totient is φ = 536421772.

The previous prime is 1072843537. The next prime is 1072843547. The reversal of 1072843546 is 6453482701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6453482701 = 1663 ⋅3880627.

It can be written as a sum of positive squares in only one way, i.e., 583947225 + 488896321 = 24165^2 + 22111^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1072843499 and 1072843508.

It is not an unprimeable number, because it can be changed into a prime (1072843547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268210885 + ... + 268210888.

Almost surely, 2^1072843546 is an apocalyptic number.

1072843546 is a deficient number, since it is larger than the sum of its proper divisors (536421776).

1072843546 is an equidigital number, since it uses as much as digits as its factorization.

1072843546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536421775.

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 1072843546 is about 32754.2904975821. The cubic root of 1072843546 is about 1023.7143654466.

The spelling of 1072843546 in words is "one billion, seventy-two million, eight hundred forty-three thousand, five hundred forty-six".