1262551996 has 12 divisors (see below), whose sum is σ = 2225594448. Its totient is φ = 626667872.

The previous prime is 1262551987. The next prime is 1262552003. The reversal of 1262551996 is 6991552621.

It is a super-3 number, since 3×1262551996³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1151416 + ... + 1152511.

It is an arithmetic number, because the mean of its divisors is an integer number (185466204).

Almost surely, 2^1262551996 is an apocalyptic number.

It is an amenable number.

1262551996 is a deficient number, since it is larger than the sum of its proper divisors (963042452).

1262551996 is a wasteful number, since it uses less digits than its factorization.

1262551996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304068 (or 2304066 counting only the distinct ones).

The product of its digits is 291600, while the sum is 46.

The square root of 1262551996 is about 35532.4076865050. The cubic root of 1262551996 is about 1080.8110037811.

The spelling of 1262551996 in words is "one billion, two hundred sixty-two million, five hundred fifty-one thousand, nine hundred ninety-six".