1025123450100 has 72 divisors (see below), whose sum is σ = 2966174840160. Its totient is φ = 273352337280.

The previous prime is 1025123450093. The next prime is 1025123450203. The reversal of 1025123450100 is 10543215201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6696211 + ... + 6847589.

It is an arithmetic number, because the mean of its divisors is an integer number (41196872780).

Almost surely, 2^{1025123450100} is an apocalyptic number.

1025123450100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1025123450100 is an abundant number, since it is smaller than the sum of its proper divisors (1941051390060).

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

1025123450100 is a wasteful number, since it uses less digits than its factorization.

1025123450100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173969 (or 173962 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 1025123450100 its reverse (10543215201), we get a palindrome (1035666665301).

The spelling of 1025123450100 in words is "one trillion, twenty-five billion, one hundred twenty-three million, four hundred fifty thousand, one hundred".