1274486016 has 72 divisors (see below), whose sum is σ = 3483744544. Its totient is φ = 413337600.

The previous prime is 1274486011. The next prime is 1274486027. The reversal of 1274486016 is 6106844721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1274486011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5991 + ... + 50841.

Almost surely, 2^1274486016 is an apocalyptic number.

1274486016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1274486016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1741872272).

1274486016 is an abundant number, since it is smaller than the sum of its proper divisors (2209258528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1274486016 is an equidigital number, since it uses as much as digits as its factorization.

1274486016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44907 (or 44893 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 1274486016 is about 35699.9442016371. The cubic root of 1274486016 is about 1084.2057134222.

The spelling of 1274486016 in words is "one billion, two hundred seventy-four million, four hundred eighty-six thousand, sixteen".