1550130215 has 8 divisors (see below), whose sum is σ = 1869896448. Its totient is φ = 1233610720.

The previous prime is 1550130209. The next prime is 1550130233. The reversal of 1550130215 is 5120310551.

It is a happy number.

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

It is not a de Polignac number, because 1550130215 - 2¹⁸ = 1549868071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 810632 + ... + 812541.

It is an arithmetic number, because the mean of its divisors is an integer number (233737056).

Almost surely, 2^1550130215 is an apocalyptic number.

1550130215 is a deficient number, since it is larger than the sum of its proper divisors (319766233).

1550130215 is a wasteful number, since it uses less digits than its factorization.

1550130215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623369.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 1550130215 is about 39371.6930674819. The cubic root of 1550130215 is about 1157.3269343354.

Adding to 1550130215 its reverse (5120310551), we get a palindrome (6670440766).

The spelling of 1550130215 in words is "one billion, five hundred fifty million, one hundred thirty thousand, two hundred fifteen".