1042450757 has 2 divisors, whose sum is σ = 1042450758. Its totient is φ = 1042450756.

The previous prime is 1042450679. The next prime is 1042450811. The reversal of 1042450757 is 7570542401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 975063076 + 67387681 = 31226^2 + 8209^2 .

It is an emirp because it is prime and its reverse (7570542401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1042450757 - 2¹² = 1042446661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042450657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521225378 + 521225379.

It is an arithmetic number, because the mean of its divisors is an integer number (521225379).

Almost surely, 2^1042450757 is an apocalyptic number.

It is an amenable number.

1042450757 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042450757 is an equidigital number, since it uses as much as digits as its factorization.

1042450757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39200, while the sum is 35.

The square root of 1042450757 is about 32287.0060086097. The cubic root of 1042450757 is about 1013.9546152466.

The spelling of 1042450757 in words is "one billion, forty-two million, four hundred fifty thousand, seven hundred fifty-seven".