1243061106 has 24 divisors (see below), whose sum is σ = 2892020400. Its totient is φ = 355160232.

The previous prime is 1243061081. The next prime is 1243061107. The reversal of 1243061106 is 6011603421.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1243061107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2113756 + ... + 2114343.

It is an arithmetic number, because the mean of its divisors is an integer number (120500850).

Almost surely, 2^1243061106 is an apocalyptic number.

1243061106 is an abundant number, since it is smaller than the sum of its proper divisors (1648959294).

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

1243061106 is a wasteful number, since it uses less digits than its factorization.

1243061106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4228118 (or 4228111 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1243061106 is about 35257.0717161820. The cubic root of 1243061106 is about 1075.2203928153.

Adding to 1243061106 its reverse (6011603421), we get a palindrome (7254664527).

It can be divided in two parts, 12430 and 61106, that added together give a triangular number (73536 = T₃₈₃).

The spelling of 1243061106 in words is "one billion, two hundred forty-three million, sixty-one thousand, one hundred six".