961021103 has 8 divisors (see below), whose sum is σ = 1099435008. Its totient is φ = 822888504.

The previous prime is 961021093. The next prime is 961021123. The reversal of 961021103 is 301120169.

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 961021103 - 2¹² = 961017007 is a prime.

It is a super-2 number, since 2×961021103² = 1847123120822673218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961021123) 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, 62951 + ... + 76712.

It is an arithmetic number, because the mean of its divisors is an integer number (137429376).

Almost surely, 2^961021103 is an apocalyptic number.

961021103 is a deficient number, since it is larger than the sum of its proper divisors (138413905).

961021103 is a wasteful number, since it uses less digits than its factorization.

961021103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140653.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 961021103 is about 31000.3403690992. The cubic root of 961021103 is about 986.8344636527.

The spelling of 961021103 in words is "nine hundred sixty-one million, twenty-one thousand, one hundred three".