1230421948 has 36 divisors (see below), whose sum is σ = 2513719600. Its totient is φ = 526766856.

The previous prime is 1230421921. The next prime is 1230421991. The reversal of 1230421948 is 8491240321.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a super-2 number, since 2×1230421948² = 3027876340240229408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1298811 + ... + 1299757.

Almost surely, 2^1230421948 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1230421948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1256859800).

1230421948 is an abundant number, since it is smaller than the sum of its proper divisors (1283297652).

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

1230421948 is an frugal number, since it uses more digits than its factorization.

1230421948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919 (or 956 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 1230421948 is about 35077.3708820943. The cubic root of 1230421948 is about 1071.5637739765.

The spelling of 1230421948 in words is "one billion, two hundred thirty million, four hundred twenty-one thousand, nine hundred forty-eight".