103241989 has 2 divisors, whose sum is σ = 103241990. Its totient is φ = 103241988.

The previous prime is 103241981. The next prime is 103242031. The reversal of 103241989 is 989142301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77739489 + 25502500 = 8817^2 + 5050^2 .

It is a cyclic number.

It is not a de Polignac number, because 103241989 - 2³ = 103241981 is a prime.

It is a super-2 number, since 2×103241989² = 21317816585352242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103241981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51620994 + 51620995.

It is an arithmetic number, because the mean of its divisors is an integer number (51620995).

Almost surely, 2^103241989 is an apocalyptic number.

It is an amenable number.

103241989 is a deficient number, since it is larger than the sum of its proper divisors (1).

103241989 is an equidigital number, since it uses as much as digits as its factorization.

103241989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 103241989 is about 10160.8065132646. The cubic root of 103241989 is about 469.1216263860.

It can be divided in two parts, 10324 and 1989, that multiplied together give a triangular number (20534436 = T₆₄₀₈).

The spelling of 103241989 in words is "one hundred three million, two hundred forty-one thousand, nine hundred eighty-nine".