1230453215 has 8 divisors (see below), whose sum is σ = 1482672048. Its totient is φ = 980277120.

The previous prime is 1230453157. The next prime is 1230453223. The reversal of 1230453215 is 5123540321.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-1230453215 is a prime.

It is a super-2 number, since 2×1230453215² = 3028030228607672450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509357 + ... + 511766.

It is an arithmetic number, because the mean of its divisors is an integer number (185334006).

Almost surely, 2^1230453215 is an apocalyptic number.

1230453215 is a deficient number, since it is larger than the sum of its proper divisors (252218833).

1230453215 is a wasteful number, since it uses less digits than its factorization.

1230453215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021369.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1230453215 is about 35077.8165654591. The cubic root of 1230453215 is about 1071.5728506191.

Adding to 1230453215 its reverse (5123540321), we get a palindrome (6353993536).

The spelling of 1230453215 in words is "one billion, two hundred thirty million, four hundred fifty-three thousand, two hundred fifteen".