1205351652 has 24 divisors (see below), whose sum is σ = 2865554496. Its totient is φ = 394202848.

The previous prime is 1205351633. The next prime is 1205351671. The reversal of 1205351652 is 2561535021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1205351633) and next prime (1205351671).

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, 946968 + ... + 948239.

It is an arithmetic number, because the mean of its divisors is an integer number (119398104).

Almost surely, 2^1205351652 is an apocalyptic number.

1205351652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1205351652 is an abundant number, since it is smaller than the sum of its proper divisors (1660202844).

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

1205351652 is a wasteful number, since it uses less digits than its factorization.

1205351652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895267 (or 1895265 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 1205351652 is about 34718.1746639998. The cubic root of 1205351652 is about 1064.2359429740.

Adding to 1205351652 its reverse (2561535021), we get a palindrome (3766886673).

The spelling of 1205351652 in words is "one billion, two hundred five million, three hundred fifty-one thousand, six hundred fifty-two".