1205340522 has 64 divisors (see below), whose sum is σ = 2514602880. Its totient is φ = 384943104.

The previous prime is 1205340473. The next prime is 1205340551. The reversal of 1205340522 is 2250435021.

It is a junction number, because it is equal to n+sod(n) for n = 1205340492 and 1205340501.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3180129 + ... + 3180507.

It is an arithmetic number, because the mean of its divisors is an integer number (39290670).

Almost surely, 2^1205340522 is an apocalyptic number.

1205340522 is an abundant number, since it is smaller than the sum of its proper divisors (1309262358).

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

1205340522 is a wasteful number, since it uses less digits than its factorization.

1205340522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1205340522 is about 34718.0143729448. The cubic root of 1205340522 is about 1064.2326673096.

Adding to 1205340522 its reverse (2250435021), we get a palindrome (3455775543).

The spelling of 1205340522 in words is "one billion, two hundred five million, three hundred forty thousand, five hundred twenty-two".