1275038438976 has 105 divisors (see below), whose sum is σ = 3779854382491. Its totient is φ = 424985712768.

The previous prime is 1275038438957. The next prime is 1275038438981. The reversal of 1275038438976 is 6798348305721.

The square root of 1275038438976 is 1129176.

It is a perfect power (a square), and thus also a powerful number.

1275038438976 is a `hidden beast` number, since 1 + 2 + 7 + 503 + 8 + 4 + 38 + 97 + 6 = 666.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 81292831 + ... + 81308513.

It is a 1-persistent number, because it is pandigital, but 2⋅1275038438976 = 2550076877952 is not.

Almost surely, 2^{1275038438976} is an apocalyptic number.

1275038438976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1275038438976 is the 1129176-th square number.

It is an amenable number.

1275038438976 is an abundant number, since it is smaller than the sum of its proper divisors (2504815943515).

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

1275038438976 is an frugal number, since it uses more digits than its factorization.

1275038438976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31390 (or 15688 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 63.

The spelling of 1275038438976 in words is "one trillion, two hundred seventy-five billion, thirty-eight million, four hundred thirty-eight thousand, nine hundred seventy-six".