1242160620 has 96 divisors (see below), whose sum is σ = 3563191296. Its totient is φ = 323232000.

The previous prime is 1242160613. The next prime is 1242160639. The reversal of 1242160620 is 260612421.

1242160620 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 428817 + ... + 431703.

It is an arithmetic number, because the mean of its divisors is an integer number (37116576).

Almost surely, 2^1242160620 is an apocalyptic number.

1242160620 is a gapful number since it is divisible by the number (10) 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 1242160620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1781595648).

1242160620 is an abundant number, since it is smaller than the sum of its proper divisors (2321030676).

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

1242160620 is a wasteful number, since it uses less digits than its factorization.

1242160620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3071 (or 3069 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1242160620 is about 35244.2991134737. The cubic root of 1242160620 is about 1074.9606965980.

The spelling of 1242160620 in words is "one billion, two hundred forty-two million, one hundred sixty thousand, six hundred twenty".