1205350053 has 8 divisors (see below), whose sum is σ = 1608246816. Its totient is φ = 803010000.

The previous prime is 1205350049. The next prime is 1205350061. The reversal of 1205350053 is 3500535021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1205350053 - 2² = 1205350049 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1205350043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134098 + ... + 142803.

It is an arithmetic number, because the mean of its divisors is an integer number (201030852).

Almost surely, 2^1205350053 is an apocalyptic number.

It is an amenable number.

1205350053 is a deficient number, since it is larger than the sum of its proper divisors (402896763).

1205350053 is a wasteful number, since it uses less digits than its factorization.

1205350053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278355.

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 1205350053 is about 34718.1516357078. The cubic root of 1205350053 is about 1064.2354723744.

Adding to 1205350053 its reverse (3500535021), we get a palindrome (4705885074).

The spelling of 1205350053 in words is "one billion, two hundred five million, three hundred fifty thousand, fifty-three".