1301138 has 8 divisors (see below), whose sum is σ = 1956720. Its totient is φ = 648900.

The previous prime is 1301123. The next prime is 1301147. The reversal of 1301138 is 8311031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 713 + ... + 1763.

It is an arithmetic number, because the mean of its divisors is an integer number (244590).

2^1301138 is an apocalyptic number.

1301138 is a deficient number, since it is larger than the sum of its proper divisors (655582).

1301138 is a wasteful number, since it uses less digits than its factorization.

1301138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1301138 is about 1140.6743619456. The cubic root of 1301138 is about 109.1711253027.

Adding to 1301138 its reverse (8311031), we get a palindrome (9612169).

The spelling of 1301138 in words is "one million, three hundred one thousand, one hundred thirty-eight".