1075407761 has 2 divisors, whose sum is σ = 1075407762. Its totient is φ = 1075407760.

The previous prime is 1075407731. The next prime is 1075407787. The reversal of 1075407761 is 1677045701.

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., 984014161 + 91393600 = 31369^2 + 9560^2 .

It is a cyclic number.

It is not a de Polignac number, because 1075407761 - 2²² = 1071213457 is a prime.

It is not a weakly prime, because it can be changed into another prime (1075407731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537703880 + 537703881.

It is an arithmetic number, because the mean of its divisors is an integer number (537703881).

Almost surely, 2^1075407761 is an apocalyptic number.

It is an amenable number.

1075407761 is a deficient number, since it is larger than the sum of its proper divisors (1).

1075407761 is an equidigital number, since it uses as much as digits as its factorization.

1075407761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41160, while the sum is 38.

The square root of 1075407761 is about 32793.4103289060. The cubic root of 1075407761 is about 1024.5293134566.

The spelling of 1075407761 in words is "one billion, seventy-five million, four hundred seven thousand, seven hundred sixty-one".