1301323142 has 16 divisors (see below), whose sum is σ = 2250584352. Its totient is φ = 552773760.

The previous prime is 1301323139. The next prime is 1301323159. The reversal of 1301323142 is 2413231031.

It is a super-3 number, since 3×1301323142³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409709 + ... + 412872.

It is an arithmetic number, because the mean of its divisors is an integer number (140661522).

Almost surely, 2^1301323142 is an apocalyptic number.

1301323142 is a deficient number, since it is larger than the sum of its proper divisors (949261210).

1301323142 is a wasteful number, since it uses less digits than its factorization.

1301323142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822703.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1301323142 is about 36073.8567663620. The cubic root of 1301323142 is about 1091.7630312955.

Adding to 1301323142 its reverse (2413231031), we get a palindrome (3714554173).

The spelling of 1301323142 in words is "one billion, three hundred one million, three hundred twenty-three thousand, one hundred forty-two".