40703129 has 2 divisors, whose sum is σ = 40703130. Its totient is φ = 40703128.

The previous prime is 40703087. The next prime is 40703137. The reversal of 40703129 is 92130704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38875225 + 1827904 = 6235^2 + 1352^2 .

It is a cyclic number.

It is not a de Polignac number, because 40703129 - 2¹⁶ = 40637593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40703098 and 40703107.

It is not a weakly prime, because it can be changed into another prime (40703189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20351564 + 20351565.

It is an arithmetic number, because the mean of its divisors is an integer number (20351565).

Almost surely, 2^40703129 is an apocalyptic number.

It is an amenable number.

40703129 is a deficient number, since it is larger than the sum of its proper divisors (1).

40703129 is an equidigital number, since it uses as much as digits as its factorization.

40703129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 40703129 is about 6379.9003910719. The cubic root of 40703129 is about 343.9874505292.

The spelling of 40703129 in words is "forty million, seven hundred three thousand, one hundred twenty-nine".