1072244591 has 4 divisors (see below), whose sum is σ = 1169721384. Its totient is φ = 974767800.

The previous prime is 1072244573. The next prime is 1072244599. The reversal of 1072244591 is 1954422701.

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 1072244591 - 2⁶ = 1072244527 is a prime.

It is a super-2 number, since 2×1072244591² = 2299416925857514562, 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 (1072244599) 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, 48738380 + ... + 48738401.

It is an arithmetic number, because the mean of its divisors is an integer number (292430346).

Almost surely, 2^1072244591 is an apocalyptic number.

1072244591 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1072244591 is a deficient number, since it is larger than the sum of its proper divisors (97476793).

1072244591 is an equidigital number, since it uses as much as digits as its factorization.

1072244591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97476792.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 1072244591 is about 32745.1460677762. The cubic root of 1072244591 is about 1023.5238210497.

The spelling of 1072244591 in words is "one billion, seventy-two million, two hundred forty-four thousand, five hundred ninety-one".