1320461237 has 4 divisors (see below), whose sum is σ = 1320585120. Its totient is φ = 1320337356.

The previous prime is 1320461231. The next prime is 1320461299. The reversal of 1320461237 is 7321640231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1320461237 - 2¹⁰ = 1320460213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320461231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44273 + ... + 67830.

It is an arithmetic number, because the mean of its divisors is an integer number (330146280).

Almost surely, 2^1320461237 is an apocalyptic number.

It is an amenable number.

1320461237 is a deficient number, since it is larger than the sum of its proper divisors (123883).

1320461237 is a wasteful number, since it uses less digits than its factorization.

1320461237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123882.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 1320461237 is about 36338.1512600738. The cubic root of 1320461237 is about 1097.0890630684.

The spelling of 1320461237 in words is "one billion, three hundred twenty million, four hundred sixty-one thousand, two hundred thirty-seven".