1076940257 has 2 divisors, whose sum is σ = 1076940258. Its totient is φ = 1076940256.

The previous prime is 1076940223. The next prime is 1076940287. The reversal of 1076940257 is 7520496701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1057615441 + 19324816 = 32521^2 + 4396^2 .

It is an emirp because it is prime and its reverse (7520496701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1076940257 - 2¹⁰ = 1076939233 is a prime.

It is not a weakly prime, because it can be changed into another prime (1076940287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538470128 + 538470129.

It is an arithmetic number, because the mean of its divisors is an integer number (538470129).

Almost surely, 2^1076940257 is an apocalyptic number.

It is an amenable number.

1076940257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1076940257 is an equidigital number, since it uses as much as digits as its factorization.

1076940257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 1076940257 is about 32816.7679243401. The cubic root of 1076940257 is about 1025.0157465755.

The spelling of 1076940257 in words is "one billion, seventy-six million, nine hundred forty thousand, two hundred fifty-seven".