1228461724 has 12 divisors (see below), whose sum is σ = 2456923504. Its totient is φ = 526483584.

The previous prime is 1228461697. The next prime is 1228461727. The reversal of 1228461724 is 4271648221.

1228461724 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228461727) 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, 21936789 + ... + 21936844.

Almost surely, 2^1228461724 is an apocalyptic number.

1228461724 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1228461724 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1228461724 is a wasteful number, since it uses less digits than its factorization.

1228461724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43873644 (or 43873642 counting only the distinct ones).

The product of its digits is 43008, while the sum is 37.

The square root of 1228461724 is about 35049.4183118636. The cubic root of 1228461724 is about 1070.9944241749.

The spelling of 1228461724 in words is "one billion, two hundred twenty-eight million, four hundred sixty-one thousand, seven hundred twenty-four".