1274775616 has 21 divisors (see below), whose sum is σ = 2530199791. Its totient is φ = 637244992.

The previous prime is 1274775589. The next prime is 1274775643. The reversal of 1274775616 is 6165774721.

The square root of 1274775616 is 35704.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (1274775589) and next prime (1274775643).

It is a super-3 number, since 3×1274775616³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 283401 + ... + 287863.

Almost surely, 2^1274775616 is an apocalyptic number.

1274775616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1274775616 is the 35704-th square number.

It is an amenable number.

1274775616 is a deficient number, since it is larger than the sum of its proper divisors (1255424175).

1274775616 is an frugal number, since it uses more digits than its factorization.

1274775616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8938 (or 4465 counting only the distinct ones).

The product of its digits is 493920, while the sum is 46.

The cubic root of 1274775616 is about 1084.2878281444.

The spelling of 1274775616 in words is "one billion, two hundred seventy-four million, seven hundred seventy-five thousand, six hundred sixteen".