1301215151 has 2 divisors, whose sum is σ = 1301215152. Its totient is φ = 1301215150.

The previous prime is 1301215147. The next prime is 1301215187. The reversal of 1301215151 is 1515121031.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1515121031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1301215151 - 2² = 1301215147 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1301211151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650607575 + 650607576.

It is an arithmetic number, because the mean of its divisors is an integer number (650607576).

Almost surely, 2^1301215151 is an apocalyptic number.

1301215151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301215151 is an equidigital number, since it uses as much as digits as its factorization.

1301215151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150, while the sum is 20.

The square root of 1301215151 is about 36072.3599311162. The cubic root of 1301215151 is about 1091.7328302795.

Adding to 1301215151 its reverse (1515121031), we get a palindrome (2816336182).

The spelling of 1301215151 in words is "one billion, three hundred one million, two hundred fifteen thousand, one hundred fifty-one".