129374741 has 2 divisors, whose sum is σ = 129374742. Its totient is φ = 129374740.

The previous prime is 129374737. The next prime is 129374779. The reversal of 129374741 is 147473921.

It is a happy number.

It is an a-pointer prime, because the next prime (129374779) can be obtained adding 129374741 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105657841 + 23716900 = 10279^2 + 4870^2 .

It is a cyclic number.

It is not a de Polignac number, because 129374741 - 2² = 129374737 is a prime.

It is equal to p_7344767 and since 129374741 and 7344767 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 129374695 and 129374704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129374711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64687370 + 64687371.

It is an arithmetic number, because the mean of its divisors is an integer number (64687371).

Almost surely, 2^129374741 is an apocalyptic number.

It is an amenable number.

129374741 is a deficient number, since it is larger than the sum of its proper divisors (1).

129374741 is an equidigital number, since it uses as much as digits as its factorization.

129374741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 38.

The square root of 129374741 is about 11374.3017807688. The cubic root of 129374741 is about 505.7662334710.

The spelling of 129374741 in words is "one hundred twenty-nine million, three hundred seventy-four thousand, seven hundred forty-one".