1275104052 has 48 divisors (see below), whose sum is σ = 3352406400. Its totient is φ = 419045760.

The previous prime is 1275104021. The next prime is 1275104119. The reversal of 1275104052 is 2504015721.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75477 + ... + 90812.

It is an arithmetic number, because the mean of its divisors is an integer number (69841800).

Almost surely, 2^1275104052 is an apocalyptic number.

1275104052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1275104052 is an abundant number, since it is smaller than the sum of its proper divisors (2077302348).

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

1275104052 is a wasteful number, since it uses less digits than its factorization.

1275104052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166373 (or 166365 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 1275104052 is about 35708.5991324219. The cubic root of 1275104052 is about 1084.3809395838.

Adding to 1275104052 its reverse (2504015721), we get a palindrome (3779119773).

The spelling of 1275104052 in words is "one billion, two hundred seventy-five million, one hundred four thousand, fifty-two".