1276072016 has 40 divisors (see below), whose sum is σ = 2583584640. Its totient is φ = 609420416.

The previous prime is 1276072013. The next prime is 1276072067. The reversal of 1276072016 is 6102706721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1276072013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306686 + ... + 310818.

It is an arithmetic number, because the mean of its divisors is an integer number (64589616).

Almost surely, 2^1276072016 is an apocalyptic number.

1276072016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1276072016 is an abundant number, since it is smaller than the sum of its proper divisors (1307512624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1276072016 is a wasteful number, since it uses less digits than its factorization.

1276072016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5003 (or 4997 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 1276072016 is about 35722.1502152376. The cubic root of 1276072016 is about 1084.6552639207.

Adding to 1276072016 its reverse (6102706721), we get a palindrome (7378778737).

The spelling of 1276072016 in words is "one billion, two hundred seventy-six million, seventy-two thousand, sixteen".