103621641 has 16 divisors (see below), whose sum is σ = 141177600. Its totient is φ = 67584848.

The previous prime is 103621631. The next prime is 103621643. The reversal of 103621641 is 146126301.

It is a cyclic number.

It is not a de Polignac number, because 103621641 - 2⁷ = 103621513 is a prime.

It is a super-3 number, since 3×103621641³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (103621643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38890 + ... + 41468.

It is an arithmetic number, because the mean of its divisors is an integer number (8823600).

Almost surely, 2^103621641 is an apocalyptic number.

It is an amenable number.

103621641 is a deficient number, since it is larger than the sum of its proper divisors (37555959).

103621641 is a wasteful number, since it uses less digits than its factorization.

103621641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2868.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 103621641 is about 10179.4715481699. The cubic root of 103621641 is about 469.6959569710.

Adding to 103621641 its reverse (146126301), we get a palindrome (249747942).

The spelling of 103621641 in words is "one hundred three million, six hundred twenty-one thousand, six hundred forty-one".