1215345350 has 12 divisors (see below), whose sum is σ = 2260542444. Its totient is φ = 486138120.

The previous prime is 1215345319. The next prime is 1215345389. The reversal of 1215345350 is 535435121.

It is a Curzon number.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 12153404 + ... + 12153503.

It is an arithmetic number, because the mean of its divisors is an integer number (188378537).

Almost surely, 2^1215345350 is an apocalyptic number.

1215345350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1215345350 is a deficient number, since it is larger than the sum of its proper divisors (1045197094).

1215345350 is a wasteful number, since it uses less digits than its factorization.

1215345350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24306919 (or 24306914 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 1215345350 is about 34861.8035964865. The cubic root of 1215345350 is about 1067.1690824365.

The spelling of 1215345350 in words is "one billion, two hundred fifteen million, three hundred forty-five thousand, three hundred fifty".