1263263152 has 40 divisors (see below), whose sum is σ = 2515821120. Its totient is φ = 614254080.

The previous prime is 1263263143. The next prime is 1263263153. The reversal of 1263263152 is 2513623621.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1263263153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79593 + ... + 94135.

It is an arithmetic number, because the mean of its divisors is an integer number (62895528).

Almost surely, 2^1263263152 is an apocalyptic number.

It is an amenable number.

1263263152 is a deficient number, since it is larger than the sum of its proper divisors (1252557968).

1263263152 is a wasteful number, since it uses less digits than its factorization.

1263263152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14701 (or 14695 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 1263263152 is about 35542.4134239643. The cubic root of 1263263152 is about 1081.0138946887.

Adding to 1263263152 its reverse (2513623621), we get a palindrome (3776886773).

The spelling of 1263263152 in words is "one billion, two hundred sixty-three million, two hundred sixty-three thousand, one hundred fifty-two".