125142000 has 80 divisors (see below), whose sum is σ = 403477152. Its totient is φ = 33369600.

The previous prime is 125141983. The next prime is 125142001. The reversal of 125142000 is 241521.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125142001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4429 + ... + 16428.

Almost surely, 2^125142000 is an apocalyptic number.

125142000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125142000 is an abundant number, since it is smaller than the sum of its proper divisors (278335152).

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

125142000 is a wasteful number, since it uses less digits than its factorization.

125142000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20883 (or 20867 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 125142000 is about 11186.6885180557. The cubic root of 125142000 is about 500.1892616843.

Adding to 125142000 its reverse (241521), we get a palindrome (125383521).

The spelling of 125142000 in words is "one hundred twenty-five million, one hundred forty-two thousand".