125533142 has 8 divisors (see below), whose sum is σ = 215199696. Its totient is φ = 53799912.

The previous prime is 125533139. The next prime is 125533147. The reversal of 125533142 is 241335521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125533147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4483313 + ... + 4483340.

It is an arithmetic number, because the mean of its divisors is an integer number (26899962).

Almost surely, 2^125533142 is an apocalyptic number.

125533142 is a deficient number, since it is larger than the sum of its proper divisors (89666554).

125533142 is an equidigital number, since it uses as much as digits as its factorization.

125533142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8966662.

The product of its digits is 3600, while the sum is 26.

The square root of 125533142 is about 11204.1573534113. The cubic root of 125533142 is about 500.7098477554.

Adding to 125533142 its reverse (241335521), we get a palindrome (366868663).

The spelling of 125533142 in words is "one hundred twenty-five million, five hundred thirty-three thousand, one hundred forty-two".