1296848920 has 16 divisors (see below), whose sum is σ = 2917910160. Its totient is φ = 518739552.

The previous prime is 1296848909. The next prime is 1296848921. The reversal of 1296848920 is 298486921.

It is a zygodrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1296848921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16210572 + ... + 16210651.

It is an arithmetic number, because the mean of its divisors is an integer number (182369385).

Almost surely, 2^1296848920 is an apocalyptic number.

1296848920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1296848920 is an abundant number, since it is smaller than the sum of its proper divisors (1621061240).

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

1296848920 is a wasteful number, since it uses less digits than its factorization.

1296848920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32421234 (or 32421230 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 49.

The square root of 1296848920 is about 36011.7886253932. The cubic root of 1296848920 is about 1090.5103577551.

The spelling of 1296848920 in words is "one billion, two hundred ninety-six million, eight hundred forty-eight thousand, nine hundred twenty".