1042225277 has 2 divisors, whose sum is σ = 1042225278. Its totient is φ = 1042225276.

The previous prime is 1042225253. The next prime is 1042225339. The reversal of 1042225277 is 7725222401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 897961156 + 144264121 = 29966^2 + 12011^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1042225277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042225237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521112638 + 521112639.

It is an arithmetic number, because the mean of its divisors is an integer number (521112639).

Almost surely, 2^1042225277 is an apocalyptic number.

It is an amenable number.

1042225277 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042225277 is an equidigital number, since it uses as much as digits as its factorization.

1042225277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 1042225277 is about 32283.5140125730. The cubic root of 1042225277 is about 1013.8815045278.

Adding to 1042225277 its reverse (7725222401), we get a palindrome (8767447678).

The spelling of 1042225277 in words is "one billion, forty-two million, two hundred twenty-five thousand, two hundred seventy-seven".