1205060420 has 24 divisors (see below), whose sum is σ = 2543352000. Its totient is φ = 479600352.

The previous prime is 1205060411. The next prime is 1205060431. The reversal of 1205060420 is 240605021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1205060392 and 1205060401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147410 + ... + 155369.

It is an arithmetic number, because the mean of its divisors is an integer number (105973000).

Almost surely, 2^1205060420 is an apocalyptic number.

1205060420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1205060420 is an abundant number, since it is smaller than the sum of its proper divisors (1338291580).

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

1205060420 is a wasteful number, since it uses less digits than its factorization.

1205060420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302987 (or 302985 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1205060420 is about 34713.9801809012. The cubic root of 1205060420 is about 1064.1502239981.

Adding to 1205060420 its reverse (240605021), we get a palindrome (1445665441).

The spelling of 1205060420 in words is "one billion, two hundred five million, sixty thousand, four hundred twenty".