1230554662159 has 4 divisors (see below), whose sum is σ = 1230564898440. Its totient is φ = 1230544425880.

The previous prime is 1230554662157. The next prime is 1230554662163. The reversal of 1230554662159 is 9512664550321.

It is a happy number.

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 1230554662159 - 2¹ = 1230554662157 is a prime.

It is a super-2 number, since 2×1230554662159² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230554662157) 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, 4935649 + ... + 5178970.

It is an arithmetic number, because the mean of its divisors is an integer number (307641224610).

Almost surely, 2^{1230554662159} is an apocalyptic number.

1230554662159 is a deficient number, since it is larger than the sum of its proper divisors (10236281).

1230554662159 is a wasteful number, since it uses less digits than its factorization.

1230554662159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10236280.

The product of its (nonzero) digits is 1944000, while the sum is 49.

The spelling of 1230554662159 in words is "one trillion, two hundred thirty billion, five hundred fifty-four million, six hundred sixty-two thousand, one hundred fifty-nine".