103021973 has 2 divisors, whose sum is σ = 103021974. Its totient is φ = 103021972.

The previous prime is 103021969. The next prime is 103021981. The reversal of 103021973 is 379120301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91718929 + 11303044 = 9577^2 + 3362^2 .

It is a cyclic number.

It is not a de Polignac number, because 103021973 - 2² = 103021969 is a prime.

It is a super-2 number, since 2×103021973² = 21227053841625458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103021913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51510986 + 51510987.

It is an arithmetic number, because the mean of its divisors is an integer number (51510987).

Almost surely, 2^103021973 is an apocalyptic number.

It is an amenable number.

103021973 is a deficient number, since it is larger than the sum of its proper divisors (1).

103021973 is an equidigital number, since it uses as much as digits as its factorization.

103021973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 103021973 is about 10149.9740393757. The cubic root of 103021973 is about 468.7881455654.

The spelling of 103021973 in words is "one hundred three million, twenty-one thousand, nine hundred seventy-three".