1275054048 has 72 divisors (see below), whose sum is σ = 3760251768. Its totient is φ = 425015424.

The previous prime is 1275054041. The next prime is 1275054061. The reversal of 1275054048 is 8404505721.

1275054048 is a `hidden beast` number, since 1 + 2 + 75 + 0 + 540 + 48 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1275054041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74211 + ... + 89762.

It is an arithmetic number, because the mean of its divisors is an integer number (52225719).

Almost surely, 2^1275054048 is an apocalyptic number.

1275054048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1275054048 is an abundant number, since it is smaller than the sum of its proper divisors (2485197720).

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

1275054048 is an equidigital number, since it uses as much as digits as its factorization.

1275054048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163998 (or 163978 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The square root of 1275054048 is about 35707.8989580737. The cubic root of 1275054048 is about 1084.3667645071.

Adding to 1275054048 its reverse (8404505721), we get a palindrome (9679559769).

The spelling of 1275054048 in words is "one billion, two hundred seventy-five million, fifty-four thousand, forty-eight".