24970129 has 4 divisors (see below), whose sum is σ = 25217460. Its totient is φ = 24722800.

The previous prime is 24970117. The next prime is 24970139. The reversal of 24970129 is 92107942.

It is a happy number.

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 13307904 + 11662225 = 3648^2 + 3415^2 .

It is a cyclic number.

It is not a de Polignac number, because 24970129 - 2²¹ = 22872977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 24970094 and 24970103.

It is not an unprimeable number, because it can be changed into a prime (24970139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123514 + ... + 123715.

It is an arithmetic number, because the mean of its divisors is an integer number (6304365).

Almost surely, 2^24970129 is an apocalyptic number.

It is an amenable number.

24970129 is a deficient number, since it is larger than the sum of its proper divisors (247331).

24970129 is a wasteful number, since it uses less digits than its factorization.

24970129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247330.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 24970129 is about 4997.0120071899. The cubic root of 24970129 is about 292.2852696292.

The spelling of 24970129 in words is "twenty-four million, nine hundred seventy thousand, one hundred twenty-nine".