125049450 has 192 divisors, whose sum is σ = 361584000. Its totient is φ = 28385280.

The previous prime is 125049439. The next prime is 125049473. The reversal of 125049450 is 54940521.

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 95 ways as a sum of consecutive naturals, for example, 1405006 + ... + 1405094.

It is an arithmetic number, because the mean of its divisors is an integer number (1883250).

Almost surely, 2^125049450 is an apocalyptic number.

125049450 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 125049450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180792000).

125049450 is an abundant number, since it is smaller than the sum of its proper divisors (236534550).

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

125049450 is a wasteful number, since it uses less digits than its factorization.

125049450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 125049450 is about 11182.5511400574. The cubic root of 125049450 is about 500.0659246408.

Adding to 125049450 its reverse (54940521), we get a palindrome (179989971).

The spelling of 125049450 in words is "one hundred twenty-five million, forty-nine thousand, four hundred fifty".