1230206151 has 16 divisors (see below), whose sum is σ = 1654641920. Its totient is φ = 812980800.

The previous prime is 1230206143. The next prime is 1230206177. The reversal of 1230206151 is 1516020321.

It is not a de Polignac number, because 1230206151 - 2³ = 1230206143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230206101) 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, 196926 + ... + 203076.

It is an arithmetic number, because the mean of its divisors is an integer number (103415120).

Almost surely, 2^1230206151 is an apocalyptic number.

1230206151 is a deficient number, since it is larger than the sum of its proper divisors (424435769).

1230206151 is a wasteful number, since it uses less digits than its factorization.

1230206151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6726.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1230206151 is about 35074.2947327526. The cubic root of 1230206151 is about 1071.5011250703.

Adding to 1230206151 its reverse (1516020321), we get a palindrome (2746226472).

The spelling of 1230206151 in words is "one billion, two hundred thirty million, two hundred six thousand, one hundred fifty-one".