1247125484 has 24 divisors (see below), whose sum is σ = 2384888016. Its totient is φ = 565920000.

The previous prime is 1247125463. The next prime is 1247125487. The reversal of 1247125484 is 4845217421.

It is not an unprimeable number, because it can be changed into a prime (1247125487) 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, 2864 + ... + 50024.

It is an arithmetic number, because the mean of its divisors is an integer number (99370334).

Almost surely, 2^1247125484 is an apocalyptic number.

It is an amenable number.

1247125484 is a deficient number, since it is larger than the sum of its proper divisors (1137762532).

1247125484 is a wasteful number, since it uses less digits than its factorization.

1247125484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47777 (or 47775 counting only the distinct ones).

The product of its digits is 71680, while the sum is 38.

The square root of 1247125484 is about 35314.6638664451. The cubic root of 1247125484 is about 1076.3909836565.

The spelling of 1247125484 in words is "one billion, two hundred forty-seven million, one hundred twenty-five thousand, four hundred eighty-four".