1300001145 has 16 divisors (see below), whose sum is σ = 2130734592. Its totient is φ = 676423040.

The previous prime is 1300001141. The next prime is 1300001149. The reversal of 1300001145 is 5411000031.

It is an interprime number because it is at equal distance from previous prime (1300001141) and next prime (1300001149).

It is not a de Polignac number, because 1300001145 - 2² = 1300001141 is a prime.

It is a super-2 number, since 2×1300001145² = 3380005954002622050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1300001141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1056297 + ... + 1057526.

It is an arithmetic number, because the mean of its divisors is an integer number (133170912).

Almost surely, 2^1300001145 is an apocalyptic number.

1300001145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1300001145 is a deficient number, since it is larger than the sum of its proper divisors (830733447).

1300001145 is a wasteful number, since it uses less digits than its factorization.

1300001145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2113872.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 1300001145 is about 36055.5286329295. The cubic root of 1300001145 is about 1091.3932034828.

Adding to 1300001145 its reverse (5411000031), we get a palindrome (6711001176).

The spelling of 1300001145 in words is "one billion, three hundred million, one thousand, one hundred forty-five".