103413021 has 8 divisors (see below), whose sum is σ = 138156960. Its totient is φ = 68805552.

The previous prime is 103412963. The next prime is 103413031. The reversal of 103413021 is 120314301.

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

It is not a de Polignac number, because 103413021 - 2⁹ = 103412509 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103413031) 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, 32335 + ... + 35388.

It is an arithmetic number, because the mean of its divisors is an integer number (17269620).

Almost surely, 2^103413021 is an apocalyptic number.

It is an amenable number.

103413021 is a deficient number, since it is larger than the sum of its proper divisors (34743939).

103413021 is an equidigital number, since it uses as much as digits as its factorization.

103413021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68235.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 103413021 is about 10169.2192915681. The cubic root of 103413021 is about 469.3805344314.

Adding to 103413021 its reverse (120314301), we get a palindrome (223727322).

The spelling of 103413021 in words is "one hundred three million, four hundred thirteen thousand, twenty-one".