1274899961088 has 648 divisors, whose sum is σ = 4210104880800. Its totient is φ = 369838669824.

The previous prime is 1274899961077. The next prime is 1274899961129. The reversal of 1274899961088 is 8801699984721.

1274899961088 is a `hidden beast` number, since 1 + 2 + 7 + 489 + 9 + 9 + 61 + 0 + 88 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2877877795 + ... + 2877878237.

Almost surely, 2^{1274899961088} is an apocalyptic number.

1274899961088 is a gapful number since it is divisible by the number (18) 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 1274899961088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2105052440400).

1274899961088 is an abundant number, since it is smaller than the sum of its proper divisors (2935204919712).

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

1274899961088 is a wasteful number, since it uses less digits than its factorization.

1274899961088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899 (or 869 counting only the distinct ones).

The product of its (nonzero) digits is 125411328, while the sum is 72.

The spelling of 1274899961088 in words is "one trillion, two hundred seventy-four billion, eight hundred ninety-nine million, nine hundred sixty-one thousand, eighty-eight".