125045023220 has 96 divisors (see below), whose sum is σ = 296838017280. Its totient is φ = 44162701440.

The previous prime is 125045023211. The next prime is 125045023253. The reversal of 125045023220 is 22320540521.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 125045023220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 948755 + ... + 1072485.

It is an arithmetic number, because the mean of its divisors is an integer number (3092062680).

Almost surely, 2^125045023220 is an apocalyptic number.

125045023220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125045023220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148419008640).

125045023220 is an abundant number, since it is smaller than the sum of its proper divisors (171792994060).

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

125045023220 is a wasteful number, since it uses less digits than its factorization.

125045023220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123802 (or 123774 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 125045023220 its reverse (22320540521), we get a palindrome (147365563741).

The spelling of 125045023220 in words is "one hundred twenty-five billion, forty-five million, twenty-three thousand, two hundred twenty".