1274049216 has 224 divisors, whose sum is σ = 4134063360. Its totient is φ = 381542400.

The previous prime is 1274049197. The next prime is 1274049229. The reversal of 1274049216 is 6129404721.

It is a happy number.

1274049216 is a `hidden beast` number, since 127 + 40 + 492 + 1 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1843431 + ... + 1844121.

It is an arithmetic number, because the mean of its divisors is an integer number (18455640).

Almost surely, 2^1274049216 is an apocalyptic number.

1274049216 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 1274049216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2067031680).

1274049216 is an abundant number, since it is smaller than the sum of its proper divisors (2860014144).

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

1274049216 is a wasteful number, since it uses less digits than its factorization.

1274049216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820 (or 804 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 1274049216 is about 35693.8260207560. The cubic root of 1274049216 is about 1084.0818372967.

The spelling of 1274049216 in words is "one billion, two hundred seventy-four million, forty-nine thousand, two hundred sixteen".