1263285116 has 6 divisors (see below), whose sum is σ = 2210748960. Its totient is φ = 631642556.

The previous prime is 1263285103. The next prime is 1263285119. The reversal of 1263285116 is 6115823621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1263285119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157910636 + ... + 157910643.

It is an arithmetic number, because the mean of its divisors is an integer number (368458160).

Almost surely, 2^1263285116 is an apocalyptic number.

It is an amenable number.

1263285116 is a deficient number, since it is larger than the sum of its proper divisors (947463844).

1263285116 is a wasteful number, since it uses less digits than its factorization.

1263285116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315821283 (or 315821281 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 1263285116 is about 35542.7224055783. The cubic root of 1263285116 is about 1081.0201597469.

The spelling of 1263285116 in words is "one billion, two hundred sixty-three million, two hundred eighty-five thousand, one hundred sixteen".