1301961 has 8 divisors (see below), whose sum is σ = 1811520. Its totient is φ = 830192.

The previous prime is 1301959. The next prime is 1302017. The reversal of 1301961 is 1691031.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1301961 - 2¹ = 1301959 is a prime.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (1301921) 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 7 ways as a sum of consecutive naturals, for example, 9366 + ... + 9503.

It is an arithmetic number, because the mean of its divisors is an integer number (226440).

2^1301961 is an apocalyptic number.

It is an amenable number.

1301961 is a deficient number, since it is larger than the sum of its proper divisors (509559).

1301961 is a wasteful number, since it uses less digits than its factorization.

1301961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18895.

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 1301961 is about 1141.0350564290. The cubic root of 1301961 is about 109.1941382086.

Adding to 1301961 its reverse (1691031), we get a palindrome (2992992).

The spelling of 1301961 in words is "one million, three hundred one thousand, nine hundred sixty-one".