1245112106 has 16 divisors (see below), whose sum is σ = 2142987840. Its totient is φ = 531492000.

The previous prime is 1245112103. The next prime is 1245112111. The reversal of 1245112106 is 6012115421.

It is not an unprimeable number, because it can be changed into a prime (1245112103) 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, 173651 + ... + 180678.

It is an arithmetic number, because the mean of its divisors is an integer number (133936740).

Almost surely, 2^1245112106 is an apocalyptic number.

1245112106 is a deficient number, since it is larger than the sum of its proper divisors (897875734).

1245112106 is a wasteful number, since it uses less digits than its factorization.

1245112106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354589.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1245112106 is about 35286.1460916321. The cubic root of 1245112106 is about 1075.8114244369.

Adding to 1245112106 its reverse (6012115421), we get a palindrome (7257227527).

The spelling of 1245112106 in words is "one billion, two hundred forty-five million, one hundred twelve thousand, one hundred six".