125414454450 has 144 divisors (see below), whose sum is σ = 339333888384. Its totient is φ = 30625459200.

The previous prime is 125414454379. The next prime is 125414454499. The reversal of 125414454450 is 54454414521.

It is a super-2 number, since 2×125414454450² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125414454399 and 125414454408.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1564855 + ... + 1643045.

It is an arithmetic number, because the mean of its divisors is an integer number (2356485336).

Almost surely, 2^125414454450 is an apocalyptic number.

125414454450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 125414454450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169666944192).

125414454450 is an abundant number, since it is smaller than the sum of its proper divisors (213919433934).

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

125414454450 is a wasteful number, since it uses less digits than its factorization.

125414454450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78277 (or 78255 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 39.

Adding to 125414454450 its reverse (54454414521), we get a palindrome (179868868971).

The spelling of 125414454450 in words is "one hundred twenty-five billion, four hundred fourteen million, four hundred fifty-four thousand, four hundred fifty".