1361248072 has 16 divisors (see below), whose sum is σ = 2702478060. Its totient is φ = 640587264.

The previous prime is 1361248067. The next prime is 1361248073. The reversal of 1361248072 is 2708421631.

It can be written as a sum of positive squares in 2 ways, for example, as 1081488996 + 279759076 = 32886^2 + 16726^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (1361248073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5004453 + ... + 5004724.

Almost surely, 2^1361248072 is an apocalyptic number.

It is an amenable number.

1361248072 is a deficient number, since it is larger than the sum of its proper divisors (1341229988).

1361248072 is a wasteful number, since it uses less digits than its factorization.

1361248072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10009200 (or 10009196 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 1361248072 is about 36895.0955006218. The cubic root of 1361248072 is about 1108.2704640214.

The spelling of 1361248072 in words is "one billion, three hundred sixty-one million, two hundred forty-eight thousand, seventy-two".