1215226050 has 48 divisors (see below), whose sum is σ = 3020913792. Its totient is φ = 323291200.

The previous prime is 1215226049. The next prime is 1215226081. The reversal of 1215226050 is 506225121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1215226050.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55252 + ... + 74048.

It is an arithmetic number, because the mean of its divisors is an integer number (62935704).

Almost surely, 2^1215226050 is an apocalyptic number.

1215226050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1215226050 is an abundant number, since it is smaller than the sum of its proper divisors (1805687742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1215226050 is a wasteful number, since it uses less digits than its factorization.

1215226050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19243 (or 19238 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1215226050 is about 34860.0925127860. The cubic root of 1215226050 is about 1067.1341630238.

The spelling of 1215226050 in words is "one billion, two hundred fifteen million, two hundred twenty-six thousand, fifty".