1298088216 has 48 divisors (see below), whose sum is σ = 3517801560. Its totient is φ = 432432000.

The previous prime is 1298088139. The next prime is 1298088221. The reversal of 1298088216 is 6128808921.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139716 + ... + 148716.

Almost surely, 2^1298088216 is an apocalyptic number.

It is an amenable number.

1298088216 is an abundant number, since it is smaller than the sum of its proper divisors (2219713344).

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

1298088216 is a wasteful number, since it uses less digits than its factorization.

1298088216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11016 (or 11009 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 45.

The square root of 1298088216 is about 36028.9913264304. The cubic root of 1298088216 is about 1090.8576186775.

The spelling of 1298088216 in words is "one billion, two hundred ninety-eight million, eighty-eight thousand, two hundred sixteen".