1302208992 has 72 divisors (see below), whose sum is σ = 4232185776. Its totient is φ = 372059136.

The previous prime is 1302208987. The next prime is 1302208997. The reversal of 1302208992 is 2998022031.

It is an interprime number because it is at equal distance from previous prime (1302208987) and next prime (1302208997).

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302208997) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 320953 + ... + 324984.

It is an arithmetic number, because the mean of its divisors is an integer number (58780358).

Almost surely, 2^1302208992 is an apocalyptic number.

1302208992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1302208992 is an abundant number, since it is smaller than the sum of its proper divisors (2929976784).

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

1302208992 is a wasteful number, since it uses less digits than its factorization.

1302208992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645960 (or 645949 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 1302208992 is about 36086.1329599058. The cubic root of 1302208992 is about 1092.0107071365.

The spelling of 1302208992 in words is "one billion, three hundred two million, two hundred eight thousand, nine hundred ninety-two".