1247422796 has 6 divisors (see below), whose sum is σ = 2182989900. Its totient is φ = 623711396.

The previous prime is 1247422793. The next prime is 1247422801. The reversal of 1247422796 is 6972247421.

It is not an unprimeable number, because it can be changed into a prime (1247422793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155927846 + ... + 155927853.

It is an arithmetic number, because the mean of its divisors is an integer number (363831650).

Almost surely, 2^1247422796 is an apocalyptic number.

It is an amenable number.

1247422796 is a deficient number, since it is larger than the sum of its proper divisors (935567104).

1247422796 is a wasteful number, since it uses less digits than its factorization.

1247422796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311855703 (or 311855701 counting only the distinct ones).

The product of its digits is 338688, while the sum is 44.

The square root of 1247422796 is about 35318.8730850802. The cubic root of 1247422796 is about 1076.4765132824.

The spelling of 1247422796 in words is "one billion, two hundred forty-seven million, four hundred twenty-two thousand, seven hundred ninety-six".