1296754056 has 128 divisors (see below), whose sum is σ = 4004582400. Its totient is φ = 386104320.

The previous prime is 1296754037. The next prime is 1296754057. The reversal of 1296754056 is 6504576921.

1296754056 is a `hidden beast` number, since 12 + 96 + 7 + 540 + 5 + 6 = 666.

It is a super-2 number, since 2×1296754056² = 3363142163504902272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1296754057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79600 + ... + 94496.

It is an arithmetic number, because the mean of its divisors is an integer number (31285800).

Almost surely, 2^1296754056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1296754056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2002291200).

1296754056 is an abundant number, since it is smaller than the sum of its proper divisors (2707828344).

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

1296754056 is a wasteful number, since it uses less digits than its factorization.

1296754056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14956 (or 14946 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 1296754056 is about 36010.4714770579. The cubic root of 1296754056 is about 1090.4837669689.

The spelling of 1296754056 in words is "one billion, two hundred ninety-six million, seven hundred fifty-four thousand, fifty-six".