25122102 has 32 divisors (see below), whose sum is σ = 51321600. Its totient is φ = 8196768.

The previous prime is 25122089. The next prime is 25122103. The reversal of 25122102 is 20122152.

It is a super-2 number, since 2×25122102² = 1262240017796808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25122103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69799 + ... + 70157.

It is an arithmetic number, because the mean of its divisors is an integer number (1603800).

Almost surely, 2^25122102 is an apocalyptic number.

25122102 is an abundant number, since it is smaller than the sum of its proper divisors (26199498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25122102 is a wasteful number, since it uses less digits than its factorization.

25122102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 25122102 is about 5012.1953273990. The cubic root of 25122102 is about 292.8770388001.

Adding to 25122102 its reverse (20122152), we get a palindrome (45244254).

The spelling of 25122102 in words is "twenty-five million, one hundred twenty-two thousand, one hundred two".