103425121 has 2 divisors, whose sum is σ = 103425122. Its totient is φ = 103425120.

The previous prime is 103425097. The next prime is 103425131. The reversal of 103425121 is 121524301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86285521 + 17139600 = 9289^2 + 4140^2 .

It is a cyclic number.

It is not a de Polignac number, because 103425121 - 2¹⁷ = 103294049 is a prime.

It is not a weakly prime, because it can be changed into another prime (103425131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51712560 + 51712561.

It is an arithmetic number, because the mean of its divisors is an integer number (51712561).

Almost surely, 2^103425121 is an apocalyptic number.

It is an amenable number.

103425121 is a deficient number, since it is larger than the sum of its proper divisors (1).

103425121 is an equidigital number, since it uses as much as digits as its factorization.

103425121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 103425121 is about 10169.8142067591. The cubic root of 103425121 is about 469.3988405819.

Adding to 103425121 its reverse (121524301), we get a palindrome (224949422).

The spelling of 103425121 in words is "one hundred three million, four hundred twenty-five thousand, one hundred twenty-one".