1219960385 has 8 divisors (see below), whose sum is σ = 1673088576. Its totient is φ = 836544240.

The previous prime is 1219960369. The next prime is 1219960397. The reversal of 1219960385 is 5830699121.

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 1219960385 - 2⁴ = 1219960369 is a prime.

It is a Duffinian 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, 17427971 + ... + 17428040.

It is an arithmetic number, because the mean of its divisors is an integer number (209136072).

Almost surely, 2^1219960385 is an apocalyptic number.

It is an amenable number.

1219960385 is a deficient number, since it is larger than the sum of its proper divisors (453128191).

1219960385 is an equidigital number, since it uses as much as digits as its factorization.

1219960385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34856023.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 1219960385 is about 34927.9313014670. The cubic root of 1219960385 is about 1068.5181645031.

The spelling of 1219960385 in words is "one billion, two hundred nineteen million, nine hundred sixty thousand, three hundred eighty-five".