25140320122 has 8 divisors (see below), whose sum is σ = 37711300896. Its totient is φ = 12569886492.

The previous prime is 25140320119. The next prime is 25140320189. The reversal of 25140320122 is 22102304152.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 25140320093 and 25140320102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9283 + ... + 224425.

It is an arithmetic number, because the mean of its divisors is an integer number (4713912612).

Almost surely, 2^25140320122 is an apocalyptic number.

25140320122 is a deficient number, since it is larger than the sum of its proper divisors (12570980774).

25140320122 is a wasteful number, since it uses less digits than its factorization.

25140320122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273572.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 25140320122 its reverse (22102304152), we get a palindrome (47242624274).

The spelling of 25140320122 in words is "twenty-five billion, one hundred forty million, three hundred twenty thousand, one hundred twenty-two".