40712101 has 2 divisors, whose sum is σ = 40712102. Its totient is φ = 40712100.

The previous prime is 40712069. The next prime is 40712129. The reversal of 40712101 is 10121704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30305025 + 10407076 = 5505^2 + 3226^2 .

It is a cyclic number.

It is not a de Polignac number, because 40712101 - 2⁵ = 40712069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40712131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20356050 + 20356051.

It is an arithmetic number, because the mean of its divisors is an integer number (20356051).

Almost surely, 2^40712101 is an apocalyptic number.

It is an amenable number.

40712101 is a deficient number, since it is larger than the sum of its proper divisors (1).

40712101 is an equidigital number, since it uses as much as digits as its factorization.

40712101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 40712101 is about 6380.6034981027. The cubic root of 40712101 is about 344.0127231863.

Adding to 40712101 its reverse (10121704), we get a palindrome (50833805).

The spelling of 40712101 in words is "forty million, seven hundred twelve thousand, one hundred one".