1072388069 has 2 divisors, whose sum is σ = 1072388070. Its totient is φ = 1072388068.

The previous prime is 1072388039. The next prime is 1072388077. The reversal of 1072388069 is 9608832701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1068636100 + 3751969 = 32690^2 + 1937^2 .

It is a cyclic number.

It is not a de Polignac number, because 1072388069 - 2¹² = 1072383973 is a prime.

It is a super-2 number, since 2×1072388069² = 2300032341067097522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1072388039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536194034 + 536194035.

It is an arithmetic number, because the mean of its divisors is an integer number (536194035).

Almost surely, 2^1072388069 is an apocalyptic number.

It is an amenable number.

1072388069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1072388069 is an equidigital number, since it uses as much as digits as its factorization.

1072388069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 1072388069 is about 32747.3368230151. The cubic root of 1072388069 is about 1023.5694718904.

The spelling of 1072388069 in words is "one billion, seventy-two million, three hundred eighty-eight thousand, sixty-nine".