1263106034 has 4 divisors (see below), whose sum is σ = 1894659054. Its totient is φ = 631553016.

The previous prime is 1263105953. The next prime is 1263106057. The reversal of 1263106034 is 4306013621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1162605409 + 100500625 = 34097^2 + 10025^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1263105994 and 1263106012.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315776507 + ... + 315776510.

Almost surely, 2^1263106034 is an apocalyptic number.

1263106034 is a deficient number, since it is larger than the sum of its proper divisors (631553020).

1263106034 is an equidigital number, since it uses as much as digits as its factorization.

1263106034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631553019.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 1263106034 is about 35540.2030663867. The cubic root of 1263106034 is about 1080.9690758973.

Adding to 1263106034 its reverse (4306013621), we get a palindrome (5569119655).

The spelling of 1263106034 in words is "one billion, two hundred sixty-three million, one hundred six thousand, thirty-four".