1072162591 has 2 divisors, whose sum is σ = 1072162592. Its totient is φ = 1072162590.

The previous prime is 1072162547. The next prime is 1072162603. The reversal of 1072162591 is 1952612701.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1072162591 is a prime.

It is a super-2 number, since 2×1072162591² = 2299065243079666562, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1072162501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536081295 + 536081296.

It is an arithmetic number, because the mean of its divisors is an integer number (536081296).

Almost surely, 2^1072162591 is an apocalyptic number.

1072162591 is a deficient number, since it is larger than the sum of its proper divisors (1).

1072162591 is an equidigital number, since it uses as much as digits as its factorization.

1072162591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 1072162591 is about 32743.8939498649. The cubic root of 1072162591 is about 1023.4977290263.

The spelling of 1072162591 in words is "one billion, seventy-two million, one hundred sixty-two thousand, five hundred ninety-one".