1072243541 has 4 divisors (see below), whose sum is σ = 1077052032. Its totient is φ = 1067435052.

The previous prime is 1072243517. The next prime is 1072243559. The reversal of 1072243541 is 1453422701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1072243541 - 2¹⁴ = 1072227157 is a prime.

It is a super-2 number, since 2×1072243541² = 2299412422432437362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072243441) 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, 2403911 + ... + 2404356.

It is an arithmetic number, because the mean of its divisors is an integer number (269263008).

Almost surely, 2^1072243541 is an apocalyptic number.

It is an amenable number.

1072243541 is a deficient number, since it is larger than the sum of its proper divisors (4808491).

1072243541 is an equidigital number, since it uses as much as digits as its factorization.

1072243541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4808490.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 1072243541 is about 32745.1300348617. The cubic root of 1072243541 is about 1023.5234869529.

The spelling of 1072243541 in words is "one billion, seventy-two million, two hundred forty-three thousand, five hundred forty-one".