307412129 has 4 divisors (see below), whose sum is σ = 308687940. Its totient is φ = 306136320.

The previous prime is 307412081. The next prime is 307412143. The reversal of 307412129 is 921214703.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 81721600 + 225690529 = 9040^2 + 15023^2 .

It is a cyclic number.

It is not a de Polignac number, because 307412129 - 2²⁴ = 290634913 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (307412929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 637544 + ... + 638025.

It is an arithmetic number, because the mean of its divisors is an integer number (77171985).

Almost surely, 2^307412129 is an apocalyptic number.

It is an amenable number.

307412129 is a deficient number, since it is larger than the sum of its proper divisors (1275811).

307412129 is a wasteful number, since it uses less digits than its factorization.

307412129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275810.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 307412129 is about 17533.1722457746. The cubic root of 307412129 is about 674.9014059928.

The spelling of 307412129 in words is "three hundred seven million, four hundred twelve thousand, one hundred twenty-nine".