102425451 has 8 divisors (see below), whose sum is σ = 137405760. Its totient is φ = 67864392.

The previous prime is 102425423. The next prime is 102425471. The reversal of 102425451 is 154524201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102425451 - 2⁹ = 102424939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102425471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104241 + ... + 105218.

It is an arithmetic number, because the mean of its divisors is an integer number (17175720).

Almost surely, 2^102425451 is an apocalyptic number.

102425451 is a deficient number, since it is larger than the sum of its proper divisors (34980309).

102425451 is a wasteful number, since it uses less digits than its factorization.

102425451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209625.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 102425451 is about 10120.5459832956. The cubic root of 102425451 is about 467.8815948905.

Adding to 102425451 its reverse (154524201), we get a palindrome (256949652).

The spelling of 102425451 in words is "one hundred two million, four hundred twenty-five thousand, four hundred fifty-one".