1255051270 has 64 divisors (see below), whose sum is σ = 2683756800. Its totient is φ = 417432960.

The previous prime is 1255051261. The next prime is 1255051279. The reversal of 1255051270 is 721505521.

It is an interprime number because it is at equal distance from previous prime (1255051261) and next prime (1255051279).

It is a super-2 number, since 2×1255051270² = 3150307380657225800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255051279) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50257 + ... + 70963.

It is an arithmetic number, because the mean of its divisors is an integer number (41933700).

Almost surely, 2^1255051270 is an apocalyptic number.

1255051270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1255051270 is an abundant number, since it is smaller than the sum of its proper divisors (1428705530).

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

1255051270 is a wasteful number, since it uses less digits than its factorization.

1255051270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20773.

The product of its (nonzero) digits is 3500, while the sum is 28.

The square root of 1255051270 is about 35426.7027819412. The cubic root of 1255051270 is about 1078.6664123727. Note that the first 3 decimals are identical.

Adding to 1255051270 its reverse (721505521), we get a palindrome (1976556791).

The spelling of 1255051270 in words is "one billion, two hundred fifty-five million, fifty-one thousand, two hundred seventy".