1231606107 has 8 divisors (see below), whose sum is σ = 1824601680. Its totient is φ = 821070720.

The previous prime is 1231606091. The next prime is 1231606109. The reversal of 1231606107 is 7016061321.

1231606107 is a `hidden beast` number, since 12 + 31 + 6 + 0 + 610 + 7 = 666.

It is not a de Polignac number, because 1231606107 - 2⁴ = 1231606091 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 45615041 = 1231606107 / (1 + 2 + 3 + 1 + 6 + 0 + 6 + 1 + 0 + 7).

It is not an unprimeable number, because it can be changed into a prime (1231606109) 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, 22807494 + ... + 22807547.

It is an arithmetic number, because the mean of its divisors is an integer number (228075210).

Almost surely, 2^1231606107 is an apocalyptic number.

1231606107 is a deficient number, since it is larger than the sum of its proper divisors (592995573).

1231606107 is an equidigital number, since it uses as much as digits as its factorization.

1231606107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45615050 (or 45615044 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 1231606107 is about 35094.2460668412. The cubic root of 1231606107 is about 1071.9074216828.

Adding to 1231606107 its reverse (7016061321), we get a palindrome (8247667428).

The spelling of 1231606107 in words is "one billion, two hundred thirty-one million, six hundred six thousand, one hundred seven".