1301542387 has 2 divisors, whose sum is σ = 1301542388. Its totient is φ = 1301542386.

The previous prime is 1301542369. The next prime is 1301542453. The reversal of 1301542387 is 7832451031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1301542387 - 2⁷ = 1301542259 is a prime.

It is not a weakly prime, because it can be changed into another prime (1301542337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650771193 + 650771194.

It is an arithmetic number, because the mean of its divisors is an integer number (650771194).

Almost surely, 2^1301542387 is an apocalyptic number.

1301542387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301542387 is an equidigital number, since it uses as much as digits as its factorization.

1301542387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 1301542387 is about 36076.8954734190. The cubic root of 1301542387 is about 1091.8243407266.

The spelling of 1301542387 in words is "one billion, three hundred one million, five hundred forty-two thousand, three hundred eighty-seven".