1230133215 has 16 divisors (see below), whose sum is σ = 1969624800. Its totient is φ = 655600512.

The previous prime is 1230133211. The next prime is 1230133231. The reversal of 1230133215 is 5123310321.

It is not a de Polignac number, because 1230133215 - 2² = 1230133211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1230133191 and 1230133200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230133211) 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, 7260 + ... + 50129.

It is an arithmetic number, because the mean of its divisors is an integer number (123101550).

Almost surely, 2^1230133215 is an apocalyptic number.

1230133215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1230133215 is a deficient number, since it is larger than the sum of its proper divisors (739491585).

1230133215 is a wasteful number, since it uses less digits than its factorization.

1230133215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58826.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1230133215 is about 35073.2549815383. The cubic root of 1230133215 is about 1071.4799490664.

Adding to 1230133215 its reverse (5123310321), we get a palindrome (6353443536).

The spelling of 1230133215 in words is "one billion, two hundred thirty million, one hundred thirty-three thousand, two hundred fifteen".