1205332051 has 16 divisors (see below), whose sum is σ = 1581845760. Its totient is φ = 889786080.

The previous prime is 1205332039. The next prime is 1205332069. The reversal of 1205332051 is 1502335021.

It is a cyclic number.

It is not a de Polignac number, because 1205332051 - 2⁷ = 1205331923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1205332031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 410476 + ... + 413401.

It is an arithmetic number, because the mean of its divisors is an integer number (98865360).

Almost surely, 2^1205332051 is an apocalyptic number.

1205332051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1205332051 is a deficient number, since it is larger than the sum of its proper divisors (376513709).

1205332051 is a wasteful number, since it uses less digits than its factorization.

1205332051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823914.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 1205332051 is about 34717.8923755461. The cubic root of 1205332051 is about 1064.2301742005.

Adding to 1205332051 its reverse (1502335021), we get a palindrome (2707667072).

The spelling of 1205332051 in words is "one billion, two hundred five million, three hundred thirty-two thousand, fifty-one".