1307620987 has 8 divisors (see below), whose sum is σ = 1327138560. Its totient is φ = 1288134120.

The previous prime is 1307620969. The next prime is 1307621053. The reversal of 1307620987 is 7890267031.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1307620987 - 2⁷ = 1307620859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1307620967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86668 + ... + 100630.

It is an arithmetic number, because the mean of its divisors is an integer number (165892320).

Almost surely, 2^1307620987 is an apocalyptic number.

1307620987 is a deficient number, since it is larger than the sum of its proper divisors (19517573).

1307620987 is a wasteful number, since it uses less digits than its factorization.

1307620987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15353.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 1307620987 is about 36161.0423937143. The cubic root of 1307620987 is about 1093.5214190865.

The spelling of 1307620987 in words is "one billion, three hundred seven million, six hundred twenty thousand, nine hundred eighty-seven".