1205445342 has 16 divisors (see below), whose sum is σ = 2412127872. Its totient is φ = 401608920.

The previous prime is 1205445337. The next prime is 1205445347. The reversal of 1205445342 is 2435445021.

It is an interprime number because it is at equal distance from previous prime (1205445337) and next prime (1205445347).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1205445347) 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, 38634 + ... + 62477.

It is an arithmetic number, because the mean of its divisors is an integer number (150757992).

Almost surely, 2^1205445342 is an apocalyptic number.

1205445342 is an abundant number, since it is smaller than the sum of its proper divisors (1206682530).

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

1205445342 is a wasteful number, since it uses less digits than its factorization.

1205445342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103103.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 1205445342 is about 34719.5239310679. The cubic root of 1205445342 is about 1064.2635160290.

The spelling of 1205445342 in words is "one billion, two hundred five million, four hundred forty-five thousand, three hundred forty-two".