1081241777 has 32 divisors (see below), whose sum is σ = 1399332864. Its totient is φ = 810777600.

The previous prime is 1081241761. The next prime is 1081241809. The reversal of 1081241777 is 7771421801.

It is a cyclic number.

It is not a de Polignac number, because 1081241777 - 2⁴ = 1081241761 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1081241777.

It is not an unprimeable number, because it can be changed into a prime (1081241677) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 459518 + ... + 461864.

It is an arithmetic number, because the mean of its divisors is an integer number (43729152).

Almost surely, 2^1081241777 is an apocalyptic number.

It is an amenable number.

1081241777 is a deficient number, since it is larger than the sum of its proper divisors (318091087).

1081241777 is a wasteful number, since it uses less digits than its factorization.

1081241777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2589.

The product of its (nonzero) digits is 21952, while the sum is 38.

The square root of 1081241777 is about 32882.2410580544. The cubic root of 1081241777 is about 1026.3786412455.

It can be divided in two parts, 108124 and 1777, that added together give a palindrome (109901).

The spelling of 1081241777 in words is "one billion, eighty-one million, two hundred forty-one thousand, seven hundred seventy-seven".