1275201072 has 30 divisors (see below), whose sum is σ = 3568792292. Its totient is φ = 425066976.

The previous prime is 1275201061. The next prime is 1275201097. The reversal of 1275201072 is 2701025721.

1275201072 is a `hidden beast` number, since 127 + 520 + 10 + 7 + 2 = 666.

It is a super-2 number, since 2×1275201072² = 3252275548059898368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4427638 + ... + 4427925.

Almost surely, 2^1275201072 is an apocalyptic number.

1275201072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1275201072 is an abundant number, since it is smaller than the sum of its proper divisors (2293591220).

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

1275201072 is a wasteful number, since it uses less digits than its factorization.

1275201072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8855577 (or 8855568 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 1275201072 is about 35709.9576028872. The cubic root of 1275201072 is about 1084.4084416454.

Adding to 1275201072 its reverse (2701025721), we get a palindrome (3976226793).

The spelling of 1275201072 in words is "one billion, two hundred seventy-five million, two hundred one thousand, seventy-two".