1268928214 has 8 divisors (see below), whose sum is σ = 1903543488. Its totient is φ = 634413720.

The previous prime is 1268928211. The next prime is 1268928217. The reversal of 1268928214 is 4128298621.

It is an interprime number because it is at equal distance from previous prime (1268928211) and next prime (1268928217).

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

It is a super-2 number, since 2×1268928214² = 3220357624570459592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268928211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36484 + ... + 62200.

It is an arithmetic number, because the mean of its divisors is an integer number (237942936).

Almost surely, 2^1268928214 is an apocalyptic number.

1268928214 is a deficient number, since it is larger than the sum of its proper divisors (634615274).

1268928214 is a wasteful number, since it uses less digits than its factorization.

1268928214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50390.

The product of its digits is 110592, while the sum is 43.

The square root of 1268928214 is about 35622.0186682338. The cubic root of 1268928214 is about 1082.6274089057.

The spelling of 1268928214 in words is "one billion, two hundred sixty-eight million, nine hundred twenty-eight thousand, two hundred fourteen".