1255100343 has 8 divisors (see below), whose sum is σ = 1912533888. Its totient is φ = 717200184.

The previous prime is 1255100321. The next prime is 1255100351. The reversal of 1255100343 is 3430015521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1255100343 - 2⁵ = 1255100311 is a prime.

It is a super-3 number, since 3×1255100343³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255100393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29883321 + ... + 29883362.

It is an arithmetic number, because the mean of its divisors is an integer number (239066736).

Almost surely, 2^1255100343 is an apocalyptic number.

1255100343 is a deficient number, since it is larger than the sum of its proper divisors (657433545).

1255100343 is an equidigital number, since it uses as much as digits as its factorization.

1255100343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59766693.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1255100343 is about 35427.3953742016. The cubic root of 1255100343 is about 1078.6804709502.

Adding to 1255100343 its reverse (3430015521), we get a palindrome (4685115864).

The spelling of 1255100343 in words is "one billion, two hundred fifty-five million, one hundred thousand, three hundred forty-three".