1301443442 has 16 divisors (see below), whose sum is σ = 2147064192. Its totient is φ = 587885520.

The previous prime is 1301443433. The next prime is 1301443447. The reversal of 1301443442 is 2443441031.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (1301443447) 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, 531284 + ... + 533727.

It is an arithmetic number, because the mean of its divisors is an integer number (134191512).

Almost surely, 2^1301443442 is an apocalyptic number.

1301443442 is a deficient number, since it is larger than the sum of its proper divisors (845620750).

1301443442 is a wasteful number, since it uses less digits than its factorization.

1301443442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065073.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 1301443442 is about 36075.5241403365. The cubic root of 1301443442 is about 1091.7966727080.

Adding to 1301443442 its reverse (2443441031), we get a palindrome (3744884473).

The spelling of 1301443442 in words is "one billion, three hundred one million, four hundred forty-three thousand, four hundred forty-two".