1072772146529 has 2 divisors, whose sum is σ = 1072772146530. Its totient is φ = 1072772146528.

The previous prime is 1072772146471. The next prime is 1072772146571. The reversal of 1072772146529 is 9256412772701.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 671658924304 + 401113222225 = 819548^2 + 633335^2 .

It is a cyclic number.

It is not a de Polignac number, because 1072772146529 - 2³⁶ = 1004052669793 is a prime.

It is not a weakly prime, because it can be changed into another prime (1072772146429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536386073264 + 536386073265.

It is an arithmetic number, because the mean of its divisors is an integer number (536386073265).

Almost surely, 2^{1072772146529} is an apocalyptic number.

It is an amenable number.

1072772146529 is a deficient number, since it is larger than the sum of its proper divisors (1).

1072772146529 is an equidigital number, since it uses as much as digits as its factorization.

1072772146529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2963520, while the sum is 53.

The spelling of 1072772146529 in words is "one trillion, seventy-two billion, seven hundred seventy-two million, one hundred forty-six thousand, five hundred twenty-nine".