1201263457 has 2 divisors, whose sum is σ = 1201263458. Its totient is φ = 1201263456.

The previous prime is 1201263439. The next prime is 1201263463. The reversal of 1201263457 is 7543621021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1178136976 + 23126481 = 34324^2 + 4809^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201263457 - 2¹¹ = 1201261409 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201263487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600631728 + 600631729.

It is an arithmetic number, because the mean of its divisors is an integer number (600631729).

Almost surely, 2^1201263457 is an apocalyptic number.

It is an amenable number.

1201263457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201263457 is an equidigital number, since it uses as much as digits as its factorization.

1201263457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 1201263457 is about 34659.2477846822. The cubic root of 1201263457 is about 1063.0313893148.

Adding to 1201263457 its reverse (7543621021), we get a palindrome (8744884478).

The spelling of 1201263457 in words is "one billion, two hundred one million, two hundred sixty-three thousand, four hundred fifty-seven".