1202425405 has 16 divisors (see below), whose sum is σ = 1497006000. Its totient is φ = 926069760.

The previous prime is 1202425403. The next prime is 1202425417. The reversal of 1202425405 is 5045242021.

It can be written as a sum of positive squares in 8 ways, for example, as 9897316 + 1192528089 = 3146^2 + 34533^2 .

It is not a de Polignac number, because 1202425405 - 2¹ = 1202425403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1202425405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202425403) 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, 38725 + ... + 62485.

It is an arithmetic number, because the mean of its divisors is an integer number (93562875).

Almost surely, 2^1202425405 is an apocalyptic number.

It is an amenable number.

1202425405 is a deficient number, since it is larger than the sum of its proper divisors (294580595).

1202425405 is a wasteful number, since it uses less digits than its factorization.

1202425405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24144.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 1202425405 is about 34676.0061858340. The cubic root of 1202425405 is about 1063.3740255477.

Adding to 1202425405 its reverse (5045242021), we get a palindrome (6247667426).

The spelling of 1202425405 in words is "one billion, two hundred two million, four hundred twenty-five thousand, four hundred five".