1220602460 has 192 divisors, whose sum is σ = 3346237440. Its totient is φ = 362880000.

The previous prime is 1220602457. The next prime is 1220602501. The reversal of 1220602460 is 642060221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6743570 + ... + 6743750.

It is an arithmetic number, because the mean of its divisors is an integer number (17428320).

Almost surely, 2^1220602460 is an apocalyptic number.

1220602460 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 1220602460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1673118720).

1220602460 is an abundant number, since it is smaller than the sum of its proper divisors (2125634980).

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

1220602460 is a wasteful number, since it uses less digits than its factorization.

1220602460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1220602460 is about 34937.1215185224. The cubic root of 1220602460 is about 1068.7055882050.

Adding to 1220602460 its reverse (642060221), we get a palindrome (1862662681).

The spelling of 1220602460 in words is "one billion, two hundred twenty million, six hundred two thousand, four hundred sixty".