1302540105 has 16 divisors (see below), whose sum is σ = 2084733504. Its totient is φ = 694464960.

The previous prime is 1302540089. The next prime is 1302540139. The reversal of 1302540105 is 5010452031.

1302540105 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1302540105 - 2⁴ = 1302540089 is a prime.

It is a super-2 number, since 2×1302540105² = 3393221450266822050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41407 + ... + 65723.

It is an arithmetic number, because the mean of its divisors is an integer number (130295844).

Almost surely, 2^1302540105 is an apocalyptic number.

1302540105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1302540105 is a deficient number, since it is larger than the sum of its proper divisors (782193399).

1302540105 is a wasteful number, since it uses less digits than its factorization.

1302540105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27896.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1302540105 is about 36090.7204832489. The cubic root of 1302540105 is about 1092.1032545698.

Adding to 1302540105 its reverse (5010452031), we get a palindrome (6312992136).

The spelling of 1302540105 in words is "one billion, three hundred two million, five hundred forty thousand, one hundred five".