125142622450 has 48 divisors (see below), whose sum is σ = 234325627200. Its totient is φ = 49721843520.

The previous prime is 125142622411. The next prime is 125142622453. The reversal of 125142622450 is 54226241521.

It is not an unprimeable number, because it can be changed into a prime (125142622453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20184451 + ... + 20190649.

It is an arithmetic number, because the mean of its divisors is an integer number (4881783900).

Almost surely, 2^125142622450 is an apocalyptic number.

125142622450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125142622450 is a deficient number, since it is larger than the sum of its proper divisors (109183004750).

125142622450 is a wasteful number, since it uses less digits than its factorization.

125142622450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8851 (or 8846 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 125142622450 its reverse (54226241521), we get a palindrome (179368863971).

The spelling of 125142622450 in words is "one hundred twenty-five billion, one hundred forty-two million, six hundred twenty-two thousand, four hundred fifty".