1255704747 has 16 divisors (see below), whose sum is σ = 1828075392. Its totient is φ = 760368320.

The previous prime is 1255704739. The next prime is 1255704761. The reversal of 1255704747 is 7474075521.

It is a cyclic number.

It is not a de Polignac number, because 1255704747 - 2³ = 1255704739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1255704699 and 1255704708.

It is not an unprimeable number, because it can be changed into a prime (1255704797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23143 + ... + 55199.

It is an arithmetic number, because the mean of its divisors is an integer number (114254712).

Almost surely, 2^1255704747 is an apocalyptic number.

1255704747 is a deficient number, since it is larger than the sum of its proper divisors (572370645).

1255704747 is a wasteful number, since it uses less digits than its factorization.

1255704747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33258.

The product of its (nonzero) digits is 274400, while the sum is 42.

The square root of 1255704747 is about 35435.9245258255. The cubic root of 1255704747 is about 1078.8535923454.

The spelling of 1255704747 in words is "one billion, two hundred fifty-five million, seven hundred four thousand, seven hundred forty-seven".