1255761134 has 32 divisors (see below), whose sum is σ = 2047731840. Its totient is φ = 575292928.

The previous prime is 1255761097. The next prime is 1255761137. The reversal of 1255761134 is 4311675521.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1255761094 and 1255761103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255761137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312812 + ... + 316800.

It is an arithmetic number, because the mean of its divisors is an integer number (63991620).

Almost surely, 2^1255761134 is an apocalyptic number.

1255761134 is a deficient number, since it is larger than the sum of its proper divisors (791970706).

1255761134 is a wasteful number, since it uses less digits than its factorization.

1255761134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4252.

The product of its digits is 25200, while the sum is 35.

The square root of 1255761134 is about 35436.7201360397. The cubic root of 1255761134 is about 1078.8697406231.

The spelling of 1255761134 in words is "one billion, two hundred fifty-five million, seven hundred sixty-one thousand, one hundred thirty-four".