125311142 has 8 divisors (see below), whose sum is σ = 205054632. Its totient is φ = 56959600.

The previous prime is 125311127. The next prime is 125311157. The reversal of 125311142 is 241113521.

It is an interprime number because it is at equal distance from previous prime (125311127) and next prime (125311157).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2847959 + ... + 2848002.

It is an arithmetic number, because the mean of its divisors is an integer number (25631829).

Almost surely, 2^125311142 is an apocalyptic number.

125311142 is a deficient number, since it is larger than the sum of its proper divisors (79743490).

125311142 is a wasteful number, since it uses less digits than its factorization.

125311142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5695974.

The product of its digits is 240, while the sum is 20.

The square root of 125311142 is about 11194.2459326209. The cubic root of 125311142 is about 500.4145122642.

Adding to 125311142 its reverse (241113521), we get a palindrome (366424663).

The spelling of 125311142 in words is "one hundred twenty-five million, three hundred eleven thousand, one hundred forty-two".