1075142477 has 2 divisors, whose sum is σ = 1075142478. Its totient is φ = 1075142476.

The previous prime is 1075142443. The next prime is 1075142483. The reversal of 1075142477 is 7742415701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 887205796 + 187936681 = 29786^2 + 13709^2 .

It is a cyclic number.

It is not a de Polignac number, because 1075142477 - 2⁶ = 1075142413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1075142477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1075142777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537571238 + 537571239.

It is an arithmetic number, because the mean of its divisors is an integer number (537571239).

Almost surely, 2^1075142477 is an apocalyptic number.

It is an amenable number.

1075142477 is a deficient number, since it is larger than the sum of its proper divisors (1).

1075142477 is an equidigital number, since it uses as much as digits as its factorization.

1075142477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54880, while the sum is 38.

The square root of 1075142477 is about 32789.3653034029. The cubic root of 1075142477 is about 1024.4450621316.

The spelling of 1075142477 in words is "one billion, seventy-five million, one hundred forty-two thousand, four hundred seventy-seven".