25122141 has 72 divisors (see below), whose sum is σ = 44815680. Its totient is φ = 13474560.

The previous prime is 25122137. The next prime is 25122151. The reversal of 25122141 is 14122152.

It is not a de Polignac number, because 25122141 - 2² = 25122137 is a prime.

It is a super-2 number, since 2×25122141² = 1262243936847762, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25122131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 425770 + ... + 425828.

It is an arithmetic number, because the mean of its divisors is an integer number (622440).

Almost surely, 2^25122141 is an apocalyptic number.

It is an amenable number.

25122141 is a deficient number, since it is larger than the sum of its proper divisors (19693539).

25122141 is a wasteful number, since it uses less digits than its factorization.

25122141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127 (or 113 counting only the distinct ones).

The product of its digits is 160, while the sum is 18.

The square root of 25122141 is about 5012.1992179082. The cubic root of 25122141 is about 292.8771903559.

Adding to 25122141 its reverse (14122152), we get a palindrome (39244293).

The spelling of 25122141 in words is "twenty-five million, one hundred twenty-two thousand, one hundred forty-one".