1275224211530 has 8 divisors (see below), whose sum is σ = 2295403580772. Its totient is φ = 510089684608.

The previous prime is 1275224211493. The next prime is 1275224211557. The reversal of 1275224211530 is 351124225721.

It can be written as a sum of positive squares in 2 ways, for example, as 1222990480321 + 52233731209 = 1105889^2 + 228547^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63761210567 + ... + 63761210586.

Almost surely, 2^{1275224211530} is an apocalyptic number.

1275224211530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1275224211530 is a deficient number, since it is larger than the sum of its proper divisors (1020179369242).

1275224211530 is a wasteful number, since it uses less digits than its factorization.

1275224211530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127522421160.

The product of its (nonzero) digits is 33600, while the sum is 35.

The spelling of 1275224211530 in words is "one trillion, two hundred seventy-five billion, two hundred twenty-four million, two hundred eleven thousand, five hundred thirty".