125352208840 has 128 divisors (see below), whose sum is σ = 302859648000. Its totient is φ = 46588953600.

The previous prime is 125352208837. The next prime is 125352208847. The reversal of 125352208840 is 48802253521.

It is a super-2 number, since 2×125352208840² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 125352208793 and 125352208802.

It is not an unprimeable number, because it can be changed into a prime (125352208847) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6499131 + ... + 6518389.

It is an arithmetic number, because the mean of its divisors is an integer number (2366091000).

Almost surely, 2^125352208840 is an apocalyptic number.

125352208840 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 125352208840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151429824000).

125352208840 is an abundant number, since it is smaller than the sum of its proper divisors (177507439160).

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

125352208840 is a wasteful number, since it uses less digits than its factorization.

125352208840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19511 (or 19507 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 40.

The spelling of 125352208840 in words is "one hundred twenty-five billion, three hundred fifty-two million, two hundred eight thousand, eight hundred forty".