1301242144 has 24 divisors (see below), whose sum is σ = 2563643628. Its totient is φ = 650158080.

The previous prime is 1301242079. The next prime is 1301242147. The reversal of 1301242144 is 4412421031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1171008400 + 130233744 = 34220^2 + 11412^2 .

It is a super-2 number, since 2×1301242144² = 3386462234643433472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1301242147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33664 + ... + 61120.

Almost surely, 2^1301242144 is an apocalyptic number.

It is an amenable number.

1301242144 is a deficient number, since it is larger than the sum of its proper divisors (1262401484).

1301242144 is a wasteful number, since it uses less digits than its factorization.

1301242144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28948 (or 28940 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1301242144 is about 36072.7340799114. The cubic root of 1301242144 is about 1091.7403793617.

Adding to 1301242144 its reverse (4412421031), we get a palindrome (5713663175).

The spelling of 1301242144 in words is "one billion, three hundred one million, two hundred forty-two thousand, one hundred forty-four".