1224995215 has 8 divisors (see below), whose sum is σ = 1475190288. Its totient is φ = 976532160.

The previous prime is 1224995183. The next prime is 1224995269. The reversal of 1224995215 is 5125994221.

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

It is not a de Polignac number, because 1224995215 - 2⁵ = 1224995183 is a prime.

It is a super-2 number, since 2×1224995215² = 3001226553545792450, which contains 22 as substring.

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, 431446 + ... + 434275.

It is an arithmetic number, because the mean of its divisors is an integer number (184398786).

Almost surely, 2^1224995215 is an apocalyptic number.

1224995215 is a deficient number, since it is larger than the sum of its proper divisors (250195073).

1224995215 is an equidigital number, since it uses as much as digits as its factorization.

1224995215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866009.

The product of its digits is 64800, while the sum is 40.

The square root of 1224995215 is about 34999.9316427904. The cubic root of 1224995215 is about 1069.9860873959.

The spelling of 1224995215 in words is "one billion, two hundred twenty-four million, nine hundred ninety-five thousand, two hundred fifteen".