2125542102 has 24 divisors (see below), whose sum is σ = 4443956664. Its totient is φ = 677708064.

The previous prime is 2125542101. The next prime is 2125542109. The reversal of 2125542102 is 2012455212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125542101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 331663 + ... + 338010.

It is an arithmetic number, because the mean of its divisors is an integer number (185164861).

Almost surely, 2^2125542102 is an apocalyptic number.

2125542102 is an abundant number, since it is smaller than the sum of its proper divisors (2318414562).

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

2125542102 is a wasteful number, since it uses less digits than its factorization.

2125542102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669724 (or 669701 counting only the distinct ones).

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

The square root of 2125542102 is about 46103.6018332624. The cubic root of 2125542102 is about 1285.7501112804.

Adding to 2125542102 its reverse (2012455212), we get a palindrome (4137997314).

The spelling of 2125542102 in words is "two billion, one hundred twenty-five million, five hundred forty-two thousand, one hundred two".