1255042134 has 32 divisors (see below), whose sum is σ = 2827196640. Its totient is φ = 412615296.

The previous prime is 1255042123. The next prime is 1255042141. The reversal of 1255042134 is 4312405521.

1255042134 is a `hidden beast` number, since 1 + 25 + 504 + 2 + 134 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1255042098 and 1255042107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155247 + ... + 163130.

It is an arithmetic number, because the mean of its divisors is an integer number (88349895).

Almost surely, 2^1255042134 is an apocalyptic number.

1255042134 is an abundant number, since it is smaller than the sum of its proper divisors (1572154506).

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

1255042134 is a wasteful number, since it uses less digits than its factorization.

1255042134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318461 (or 318455 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1255042134 is about 35426.5738394217. The cubic root of 1255042134 is about 1078.6637950240.

Adding to 1255042134 its reverse (4312405521), we get a palindrome (5567447655).

The spelling of 1255042134 in words is "one billion, two hundred fifty-five million, forty-two thousand, one hundred thirty-four".