1255906726 has 12 divisors (see below), whose sum is σ = 1988230212. Its totient is φ = 594902844.

The previous prime is 1255906723. The next prime is 1255906733. The reversal of 1255906726 is 6276095521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255906723) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 869020 + ... + 870463.

It is an arithmetic number, because the mean of its divisors is an integer number (165685851).

Almost surely, 2^1255906726 is an apocalyptic number.

1255906726 is a deficient number, since it is larger than the sum of its proper divisors (732323486).

1255906726 is a wasteful number, since it uses less digits than its factorization.

1255906726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1739523 (or 1739504 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 1255906726 is about 35438.7743298213. The cubic root of 1255906726 is about 1078.9114334602.

The spelling of 1255906726 in words is "one billion, two hundred fifty-five million, nine hundred six thousand, seven hundred twenty-six".