1301213055 has 32 divisors (see below), whose sum is σ = 2111316480. Its totient is φ = 684259200.

The previous prime is 1301213051. The next prime is 1301213057. The reversal of 1301213055 is 5503121031.

It is not a de Polignac number, because 1301213055 - 2² = 1301213051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301213051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 312769 + ... + 316901.

It is an arithmetic number, because the mean of its divisors is an integer number (65978640).

Almost surely, 2^1301213055 is an apocalyptic number.

1301213055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1301213055 is a deficient number, since it is larger than the sum of its proper divisors (810103425).

1301213055 is a wasteful number, since it uses less digits than its factorization.

1301213055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4431.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 1301213055 is about 36072.3308783893. The cubic root of 1301213055 is about 1091.7322440907.

Adding to 1301213055 its reverse (5503121031), we get a palindrome (6804334086).

The spelling of 1301213055 in words is "one billion, three hundred one million, two hundred thirteen thousand, fifty-five".