1268332980 has 48 divisors (see below), whose sum is σ = 3673797120. Its totient is φ = 326558848.

The previous prime is 1268332979. The next prime is 1268332993. The reversal of 1268332980 is 892338621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 362724 + ... + 366203.

It is an arithmetic number, because the mean of its divisors is an integer number (76537440).

Almost surely, 2^1268332980 is an apocalyptic number.

1268332980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1268332980 is an abundant number, since it is smaller than the sum of its proper divisors (2405464140).

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

1268332980 is a wasteful number, since it uses less digits than its factorization.

1268332980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728968 (or 728966 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 1268332980 is about 35613.6628276284. The cubic root of 1268332980 is about 1082.4581013426.

The spelling of 1268332980 in words is "one billion, two hundred sixty-eight million, three hundred thirty-two thousand, nine hundred eighty".