1227248976 has 20 divisors (see below), whose sum is σ = 3170393312. Its totient is φ = 409082976.

The previous prime is 1227248923. The next prime is 1227248977. The reversal of 1227248976 is 6798427221.

It is a super-2 number, since 2×1227248976² = 3012280098186097152, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 25567687 = 1227248976 / (1 + 2 + 2 + 7 + 2 + 4 + 8 + 9 + 7 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1227248977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12783796 + ... + 12783891.

Almost surely, 2^1227248976 is an apocalyptic number.

1227248976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1227248976 is an abundant number, since it is smaller than the sum of its proper divisors (1943144336).

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

1227248976 is a wasteful number, since it uses less digits than its factorization.

1227248976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25567698 (or 25567692 counting only the distinct ones).

The product of its digits is 677376, while the sum is 48.

The square root of 1227248976 is about 35032.1134960482. The cubic root of 1227248976 is about 1070.6418764952.

The spelling of 1227248976 in words is "one billion, two hundred twenty-seven million, two hundred forty-eight thousand, nine hundred seventy-six".