103072133 has 2 divisors, whose sum is σ = 103072134. Its totient is φ = 103072132.

The previous prime is 103072129. The next prime is 103072141. The reversal of 103072133 is 331270301.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87572164 + 15499969 = 9358^2 + 3937^2 .

It is a cyclic number.

It is not a de Polignac number, because 103072133 - 2² = 103072129 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103072153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51536066 + 51536067.

It is an arithmetic number, because the mean of its divisors is an integer number (51536067).

Almost surely, 2^103072133 is an apocalyptic number.

It is an amenable number.

103072133 is a deficient number, since it is larger than the sum of its proper divisors (1).

103072133 is an equidigital number, since it uses as much as digits as its factorization.

103072133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 103072133 is about 10152.4446809623. Note that the first 3 decimals coincide. The cubic root of 103072133 is about 468.8642154155.

The spelling of 103072133 in words is "one hundred three million, seventy-two thousand, one hundred thirty-three".