1230411551 has 4 divisors (see below), whose sum is σ = 1230605592. Its totient is φ = 1230217512.

The previous prime is 1230411527. The next prime is 1230411587. The reversal of 1230411551 is 1551140321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1230411551 - 2¹⁴ = 1230395167 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 (1230411251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87176 + ... + 100301.

It is an arithmetic number, because the mean of its divisors is an integer number (307651398).

Almost surely, 2^1230411551 is an apocalyptic number.

1230411551 is a deficient number, since it is larger than the sum of its proper divisors (194041).

1230411551 is an equidigital number, since it uses as much as digits as its factorization.

1230411551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194040.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1230411551 is about 35077.2226808224. Note that the first 3 decimals coincide. The cubic root of 1230411551 is about 1071.5607557490.

Adding to 1230411551 its reverse (1551140321), we get a palindrome (2781551872).

The spelling of 1230411551 in words is "one billion, two hundred thirty million, four hundred eleven thousand, five hundred fifty-one".