1247288352 has 48 divisors (see below), whose sum is σ = 3362631552. Its totient is φ = 404524800.

The previous prime is 1247288333. The next prime is 1247288363. The reversal of 1247288352 is 2538827421.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172024 + ... + 179127.

It is an arithmetic number, because the mean of its divisors is an integer number (70054824).

Almost surely, 2^1247288352 is an apocalyptic number.

1247288352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1247288352 is an abundant number, since it is smaller than the sum of its proper divisors (2115343200).

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

1247288352 is a wasteful number, since it uses less digits than its factorization.

1247288352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351201 (or 351193 counting only the distinct ones).

The product of its digits is 215040, while the sum is 42.

The square root of 1247288352 is about 35316.9697454354. The cubic root of 1247288352 is about 1076.4378386089.

The spelling of 1247288352 in words is "one billion, two hundred forty-seven million, two hundred eighty-eight thousand, three hundred fifty-two".