103930981 has 8 divisors (see below), whose sum is σ = 129576384. Its totient is φ = 80985120.

The previous prime is 103930973. The next prime is 103930987. The reversal of 103930981 is 189039301.

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 103930981 - 2³ = 103930973 is a prime.

It is a super-2 number, since 2×103930981² = 21603297623244722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103930987) 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, 674800 + ... + 674953.

It is an arithmetic number, because the mean of its divisors is an integer number (16197048).

Almost surely, 2^103930981 is an apocalyptic number.

103930981 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

103930981 is a deficient number, since it is larger than the sum of its proper divisors (25645403).

103930981 is a wasteful number, since it uses less digits than its factorization.

103930981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349771.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 103930981 is about 10194.6545306842. The cubic root of 103930981 is about 470.1628845427.

The spelling of 103930981 in words is "one hundred three million, nine hundred thirty thousand, nine hundred eighty-one".