125000154 has 24 divisors (see below), whose sum is σ = 271107252. Its totient is φ = 41624640.

The previous prime is 125000149. The next prime is 125000159. The reversal of 125000154 is 451000521.

125000154 is a `hidden beast` number, since 12 + 500 + 0 + 154 = 666.

It is an interprime number because it is at equal distance from previous prime (125000149) and next prime (125000159).

It can be written as a sum of positive squares in 2 ways, for example, as 119311929 + 5688225 = 10923^2 + 2385^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (125000159) 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 11 ways as a sum of consecutive naturals, for example, 18564 + ... + 24384.

Almost surely, 2^125000154 is an apocalyptic number.

125000154 is an abundant number, since it is smaller than the sum of its proper divisors (146107098).

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

125000154 is a wasteful number, since it uses less digits than its factorization.

125000154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7022 (or 7019 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 125000154 is about 11180.3467745862. The cubic root of 125000154 is about 500.0002053332. Note that the first 3 decimals are identical.

Adding to 125000154 its reverse (451000521), we get a palindrome (576000675).

The spelling of 125000154 in words is "one hundred twenty-five million, one hundred fifty-four", and thus it is an aban number.