1230155102 has 8 divisors (see below), whose sum is σ = 2012981112. Its totient is φ = 559161400.

The previous prime is 1230155093. The next prime is 1230155117. The reversal of 1230155102 is 2015510321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27958049 + ... + 27958092.

It is an arithmetic number, because the mean of its divisors is an integer number (251622639).

Almost surely, 2^1230155102 is an apocalyptic number.

1230155102 is a deficient number, since it is larger than the sum of its proper divisors (782826010).

1230155102 is a wasteful number, since it uses less digits than its factorization.

1230155102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55916154.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1230155102 is about 35073.5669985247. The cubic root of 1230155102 is about 1071.4863037556.

Adding to 1230155102 its reverse (2015510321), we get a palindrome (3245665423).

The spelling of 1230155102 in words is "one billion, two hundred thirty million, one hundred fifty-five thousand, one hundred two".