1141379777 has 2 divisors, whose sum is σ = 1141379778. Its totient is φ = 1141379776.

The previous prime is 1141379749. The next prime is 1141379843. The reversal of 1141379777 is 7779731411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 815902096 + 325477681 = 28564^2 + 18041^2 .

It is a cyclic number.

It is not a de Polignac number, because 1141379777 - 2⁶ = 1141379713 is a prime.

It is not a weakly prime, because it can be changed into another prime (1141309777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570689888 + 570689889.

It is an arithmetic number, because the mean of its divisors is an integer number (570689889).

Almost surely, 2^1141379777 is an apocalyptic number.

It is an amenable number.

1141379777 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141379777 is an equidigital number, since it uses as much as digits as its factorization.

1141379777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259308, while the sum is 47.

The square root of 1141379777 is about 33784.3125873533. The cubic root of 1141379777 is about 1045.0652117756.

The spelling of 1141379777 in words is "one billion, one hundred forty-one million, three hundred seventy-nine thousand, seven hundred seventy-seven".