1247476484 has 24 divisors (see below), whose sum is σ = 2312011968. Its totient is φ = 587711520.

The previous prime is 1247476481. The next prime is 1247476501. The reversal of 1247476484 is 4846747421.

It is not an unprimeable number, because it can be changed into a prime (1247476481) 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, 95027 + ... + 107354.

It is an arithmetic number, because the mean of its divisors is an integer number (96333832).

Almost surely, 2^1247476484 is an apocalyptic number.

It is an amenable number.

1247476484 is a deficient number, since it is larger than the sum of its proper divisors (1064535484).

1247476484 is a wasteful number, since it uses less digits than its factorization.

1247476484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202475 (or 202473 counting only the distinct ones).

The product of its digits is 1204224, while the sum is 47.

The square root of 1247476484 is about 35319.6331238024. The cubic root of 1247476484 is about 1076.4919566008.

The spelling of 1247476484 in words is "one billion, two hundred forty-seven million, four hundred seventy-six thousand, four hundred eighty-four".