1255371275 has 12 divisors (see below), whose sum is σ = 1558034952. Its totient is φ = 1003410240.

The previous prime is 1255371263. The next prime is 1255371281. The reversal of 1255371275 is 5721735521.

It is a happy number.

It is not a de Polignac number, because 1255371275 - 2¹⁶ = 1255305739 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7487 + ... + 50663.

It is an arithmetic number, because the mean of its divisors is an integer number (129836246).

Almost surely, 2^1255371275 is an apocalyptic number.

1255371275 is a deficient number, since it is larger than the sum of its proper divisors (302663677).

1255371275 is a wasteful number, since it uses less digits than its factorization.

1255371275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44350 (or 44345 counting only the distinct ones).

The product of its digits is 73500, while the sum is 38.

The square root of 1255371275 is about 35431.2189318968. The cubic root of 1255371275 is about 1078.7580817518.

The spelling of 1255371275 in words is "one billion, two hundred fifty-five million, three hundred seventy-one thousand, two hundred seventy-five".