1274052100400 has 120 divisors (see below), whose sum is σ = 3243559742640. Its totient is φ = 479258951680.

The previous prime is 1274052100361. The next prime is 1274052100439. The reversal of 1274052100400 is 40012504721.

It is an interprime number because it is at equal distance from previous prime (1274052100361) and next prime (1274052100439).

It is a self number, because there is not a number n which added to its sum of digits gives 1274052100400.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8486792 + ... + 8635608.

It is an arithmetic number, because the mean of its divisors is an integer number (27029664522).

Almost surely, 2^{1274052100400} is an apocalyptic number.

1274052100400 is a gapful number since it is divisible by the number (10) 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 1274052100400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1621779871320).

1274052100400 is an abundant number, since it is smaller than the sum of its proper divisors (1969507642240).

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

1274052100400 is a wasteful number, since it uses less digits than its factorization.

1274052100400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150111 (or 150100 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The spelling of 1274052100400 in words is "one trillion, two hundred seventy-four billion, fifty-two million, one hundred thousand, four hundred".