1302250987 has 2 divisors, whose sum is σ = 1302250988. Its totient is φ = 1302250986.

The previous prime is 1302250933. The next prime is 1302250991. The reversal of 1302250987 is 7890522031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1302250987 - 2¹¹ = 1302248939 is a prime.

It is not a weakly prime, because it can be changed into another prime (1302250907) 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 as a sum of consecutive naturals, namely, 651125493 + 651125494.

It is an arithmetic number, because the mean of its divisors is an integer number (651125494).

Almost surely, 2^1302250987 is an apocalyptic number.

1302250987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1302250987 is an equidigital number, since it uses as much as digits as its factorization.

1302250987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 1302250987 is about 36086.7148269277. The cubic root of 1302250987 is about 1092.0224457788.

It can be divided in two parts, 13022 and 50987, that added together give a square (64009 = 253²).

The spelling of 1302250987 in words is "one billion, three hundred two million, two hundred fifty thousand, nine hundred eighty-seven".