1072541777 has 2 divisors, whose sum is σ = 1072541778. Its totient is φ = 1072541776.

The previous prime is 1072541753. The next prime is 1072541779. The reversal of 1072541777 is 7771452701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1062499216 + 10042561 = 32596^2 + 3169^2 .

It is a cyclic number.

It is not a de Polignac number, because 1072541777 - 2¹⁰ = 1072540753 is a prime.

Together with 1072541779, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1072541779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536270888 + 536270889.

It is an arithmetic number, because the mean of its divisors is an integer number (536270889).

Almost surely, 2^1072541777 is an apocalyptic number.

It is an amenable number.

1072541777 is a deficient number, since it is larger than the sum of its proper divisors (1).

1072541777 is an equidigital number, since it uses as much as digits as its factorization.

1072541777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96040, while the sum is 41.

The square root of 1072541777 is about 32749.6836167924. The cubic root of 1072541777 is about 1023.6183731246.

The spelling of 1072541777 in words is "one billion, seventy-two million, five hundred forty-one thousand, seven hundred seventy-seven".