125622154 has 16 divisors (see below), whose sum is σ = 215597376. Its totient is φ = 53776800.

The previous prime is 125622139. The next prime is 125622157. The reversal of 125622154 is 451226521.

It is not an unprimeable number, because it can be changed into a prime (125622157) 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 7 ways as a sum of consecutive naturals, for example, 8974 + ... + 18214.

It is an arithmetic number, because the mean of its divisors is an integer number (13474836).

Almost surely, 2^125622154 is an apocalyptic number.

125622154 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

125622154 is a deficient number, since it is larger than the sum of its proper divisors (89975222).

125622154 is an equidigital number, since it uses as much as digits as its factorization.

125622154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10221.

The product of its digits is 4800, while the sum is 28.

The square root of 125622154 is about 11208.1289250258. The cubic root of 125622154 is about 500.8281661908.

Adding to 125622154 its reverse (451226521), we get a palindrome (576848675).

The spelling of 125622154 in words is "one hundred twenty-five million, six hundred twenty-two thousand, one hundred fifty-four".