1245034206 has 128 divisors (see below), whose sum is σ = 3217536000. Its totient is φ = 353662848.

The previous prime is 1245034163. The next prime is 1245034207. The reversal of 1245034206 is 6024305421.

1245034206 is a `hidden beast` number, since 1 + 2 + 450 + 3 + 4 + 206 = 666.

It is a super-2 number, since 2×1245034206² = 3100220348220100872, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1245034206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245034207) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 466905 + ... + 469563.

It is an arithmetic number, because the mean of its divisors is an integer number (25137000).

Almost surely, 2^1245034206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1245034206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1608768000).

1245034206 is an abundant number, since it is smaller than the sum of its proper divisors (1972501794).

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

1245034206 is a wasteful number, since it uses less digits than its factorization.

1245034206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2735 (or 2729 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1245034206 is about 35285.0422417205. The cubic root of 1245034206 is about 1075.7889880482.

Adding to 1245034206 its reverse (6024305421), we get a palindrome (7269339627).

It can be divided in two parts, 12450 and 34206, that added together give a 6-th power (46656 = 6⁶).

The spelling of 1245034206 in words is "one billion, two hundred forty-five million, thirty-four thousand, two hundred six".