1301270146 has 16 divisors (see below), whose sum is σ = 2156307840. Its totient is φ = 583998480.

The previous prime is 1301270143. The next prime is 1301270147. The reversal of 1301270146 is 6410721031.

It is a super-2 number, since 2×1301270146² = 3386607985741722632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1301270146.

It is not an unprimeable number, because it can be changed into a prime (1301270141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372621 + ... + 376096.

It is an arithmetic number, because the mean of its divisors is an integer number (134769240).

Almost surely, 2^1301270146 is an apocalyptic number.

1301270146 is a deficient number, since it is larger than the sum of its proper divisors (855037694).

1301270146 is a wasteful number, since it uses less digits than its factorization.

1301270146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748809.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 1301270146 is about 36073.1222103105. The cubic root of 1301270146 is about 1091.7482105188.

Adding to 1301270146 its reverse (6410721031), we get a palindrome (7711991177).

The spelling of 1301270146 in words is "one billion, three hundred one million, two hundred seventy thousand, one hundred forty-six".