1205444052 has 48 divisors (see below), whose sum is σ = 3226048000. Its totient is φ = 388851840.

The previous prime is 1205444047. The next prime is 1205444057. The reversal of 1205444052 is 2504445021.

1205444052 is a `hidden beast` number, since 120 + 54 + 440 + 52 = 666.

It is an interprime number because it is at equal distance from previous prime (1205444047) and next prime (1205444057).

It is a super-3 number, since 3×1205444052³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1205444057) 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, 176677 + ... + 183372.

Almost surely, 2^1205444052 is an apocalyptic number.

1205444052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1205444052 is an abundant number, since it is smaller than the sum of its proper divisors (2020603948).

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

1205444052 is a wasteful number, since it uses less digits than its factorization.

1205444052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360093 (or 360085 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 1205444052 is about 34719.5053536193. The cubic root of 1205444052 is about 1064.2631363905.

Adding to 1205444052 its reverse (2504445021), we get a palindrome (3709889073).

The spelling of 1205444052 in words is "one billion, two hundred five million, four hundred forty-four thousand, fifty-two".