1275361116 has 24 divisors (see below), whose sum is σ = 2978354064. Its totient is φ = 424761600.

The previous prime is 1275361079. The next prime is 1275361133. The reversal of 1275361116 is 6111635721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29835 + ... + 58658.

It is an arithmetic number, because the mean of its divisors is an integer number (124098086).

Almost surely, 2^1275361116 is an apocalyptic number.

It is an amenable number.

1275361116 is an abundant number, since it is smaller than the sum of its proper divisors (1702992948).

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

1275361116 is a wasteful number, since it uses less digits than its factorization.

1275361116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89701 (or 89699 counting only the distinct ones).

The product of its digits is 7560, while the sum is 33.

The square root of 1275361116 is about 35712.1984201477. The cubic root of 1275361116 is about 1084.4538059435.

Adding to 1275361116 its reverse (6111635721), we get a palindrome (7386996837).

The spelling of 1275361116 in words is "one billion, two hundred seventy-five million, three hundred sixty-one thousand, one hundred sixteen".