1242472548 has 24 divisors (see below), whose sum is σ = 3051687520. Its totient is φ = 392359680.

The previous prime is 1242472547. The next prime is 1242472631. The reversal of 1242472548 is 8452742421.

It is a super-2 number, since 2×1242472548² = 3087476065067224608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1242472541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2724493 + ... + 2724948.

Almost surely, 2^1242472548 is an apocalyptic number.

It is an amenable number.

1242472548 is an abundant number, since it is smaller than the sum of its proper divisors (1809214972).

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

1242472548 is a wasteful number, since it uses less digits than its factorization.

1242472548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5449467 (or 5449465 counting only the distinct ones).

The product of its digits is 143360, while the sum is 39.

The square root of 1242472548 is about 35248.7240620139. The cubic root of 1242472548 is about 1075.0506694704.

The spelling of 1242472548 in words is "one billion, two hundred forty-two million, four hundred seventy-two thousand, five hundred forty-eight".