1205505350 has 216 divisors, whose sum is σ = 2908340640. Its totient is φ = 370016640.

The previous prime is 1205505349. The next prime is 1205505373. The reversal of 1205505350 is 535055021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 25649027 + ... + 25649073.

It is an arithmetic number, because the mean of its divisors is an integer number (13464540).

Almost surely, 2^1205505350 is an apocalyptic number.

1205505350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1205505350 is an abundant number, since it is smaller than the sum of its proper divisors (1702835290).

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

1205505350 is a wasteful number, since it uses less digits than its factorization.

1205505350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 1205505350 is about 34720.3881026696. The cubic root of 1205505350 is about 1064.2811756892.

The spelling of 1205505350 in words is "one billion, two hundred five million, five hundred five thousand, three hundred fifty".