125453141220 has 144 divisors (see below), whose sum is σ = 387841789440. Its totient is φ = 30276111360.

The previous prime is 125453141201. The next prime is 125453141251. The reversal of 125453141220 is 22141354521.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1580236 + ... + 1657724.

It is an arithmetic number, because the mean of its divisors is an integer number (2693345760).

Almost surely, 2^125453141220 is an apocalyptic number.

125453141220 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 125453141220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193920894720).

125453141220 is an abundant number, since it is smaller than the sum of its proper divisors (262388648220).

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

125453141220 is a wasteful number, since it uses less digits than its factorization.

125453141220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77746 (or 77733 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 125453141220 its reverse (22141354521), we get a palindrome (147594495741).

The spelling of 125453141220 in words is "one hundred twenty-five billion, four hundred fifty-three million, one hundred forty-one thousand, two hundred twenty".