1242447696 has 240 divisors, whose sum is σ = 4329187200. Its totient is φ = 324559872.

The previous prime is 1242447671. The next prime is 1242447709. The reversal of 1242447696 is 6967442421.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 554290 + ... + 556526.

It is an arithmetic number, because the mean of its divisors is an integer number (18038280).

Almost surely, 2^1242447696 is an apocalyptic number.

1242447696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1242447696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2164593600).

1242447696 is an abundant number, since it is smaller than the sum of its proper divisors (3086739504).

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

1242447696 is a wasteful number, since it uses less digits than its factorization.

1242447696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2306 (or 2297 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 1242447696 is about 35248.3715368526. The cubic root of 1242447696 is about 1075.0435016829.

The spelling of 1242447696 in words is "one billion, two hundred forty-two million, four hundred forty-seven thousand, six hundred ninety-six".