1255152142 has 8 divisors (see below), whose sum is σ = 1882881000. Its totient is φ = 627525144.

The previous prime is 1255152131. The next prime is 1255152167. The reversal of 1255152142 is 2412515521.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1255152142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26784 + ... + 56812.

It is an arithmetic number, because the mean of its divisors is an integer number (235360125).

Almost surely, 2^1255152142 is an apocalyptic number.

1255152142 is a deficient number, since it is larger than the sum of its proper divisors (627728858).

1255152142 is a wasteful number, since it uses less digits than its factorization.

1255152142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50930.

The product of its digits is 4000, while the sum is 28.

The square root of 1255152142 is about 35428.1264252006. The cubic root of 1255152142 is about 1078.6953100828.

Adding to 1255152142 its reverse (2412515521), we get a palindrome (3667667663).

The spelling of 1255152142 in words is "one billion, two hundred fifty-five million, one hundred fifty-two thousand, one hundred forty-two".