1301897147 has 4 divisors (see below), whose sum is σ = 1302108240. Its totient is φ = 1301686056.

The previous prime is 1301897143. The next prime is 1301897153. The reversal of 1301897147 is 7417981031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1301897147 - 2² = 1301897143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1301897143) 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, 96008 + ... + 108725.

It is an arithmetic number, because the mean of its divisors is an integer number (325527060).

Almost surely, 2^1301897147 is an apocalyptic number.

1301897147 is a deficient number, since it is larger than the sum of its proper divisors (211093).

1301897147 is an equidigital number, since it uses as much as digits as its factorization.

1301897147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211092.

The product of its (nonzero) digits is 42336, while the sum is 41.

The square root of 1301897147 is about 36081.8118586082. The cubic root of 1301897147 is about 1091.9235308414.

The spelling of 1301897147 in words is "one billion, three hundred one million, eight hundred ninety-seven thousand, one hundred forty-seven".