1320998070 has 32 divisors (see below), whose sum is σ = 3623309568. Its totient is φ = 301942368.

The previous prime is 1320998069. The next prime is 1320998099. The reversal of 1320998070 is 708990231.

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, 3145024 + ... + 3145443.

It is an arithmetic number, because the mean of its divisors is an integer number (113228424).

Almost surely, 2^1320998070 is an apocalyptic number.

1320998070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320998070 is an abundant number, since it is smaller than the sum of its proper divisors (2302311498).

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

1320998070 is a wasteful number, since it uses less digits than its factorization.

1320998070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6290484.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 1320998070 is about 36345.5371400671. The cubic root of 1320998070 is about 1097.2377166352.

The spelling of 1320998070 in words is "one billion, three hundred twenty million, nine hundred ninety-eight thousand, seventy".