1247468056 has 32 divisors (see below), whose sum is σ = 2387436480. Its totient is φ = 610905600.

The previous prime is 1247468051. The next prime is 1247468059. The reversal of 1247468056 is 6508647421.

It is a super-3 number, since 3×1247468056³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1247468051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112305 + ... + 122911.

It is an arithmetic number, because the mean of its divisors is an integer number (74607390).

Almost surely, 2^1247468056 is an apocalyptic number.

It is an amenable number.

1247468056 is a deficient number, since it is larger than the sum of its proper divisors (1139968424).

1247468056 is a wasteful number, since it uses less digits than its factorization.

1247468056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10915 (or 10911 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 1247468056 is about 35319.5138131883. The cubic root of 1247468056 is about 1076.4895323214.

The spelling of 1247468056 in words is "one billion, two hundred forty-seven million, four hundred sixty-eight thousand, fifty-six".