103054621 has 2 divisors, whose sum is σ = 103054622. Its totient is φ = 103054620.

The previous prime is 103054619. The next prime is 103054667. The reversal of 103054621 is 126450301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72914521 + 30140100 = 8539^2 + 5490^2 .

It is a cyclic number.

It is not a de Polignac number, because 103054621 - 2¹ = 103054619 is a prime.

Together with 103054619, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 103054592 and 103054601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103054121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51527310 + 51527311.

It is an arithmetic number, because the mean of its divisors is an integer number (51527311).

Almost surely, 2^103054621 is an apocalyptic number.

It is an amenable number.

103054621 is a deficient number, since it is larger than the sum of its proper divisors (1).

103054621 is an equidigital number, since it uses as much as digits as its factorization.

103054621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 103054621 is about 10151.5821919541. The cubic root of 103054621 is about 468.8376605005.

The spelling of 103054621 in words is "one hundred three million, fifty-four thousand, six hundred twenty-one".